- ^ a b c Marcum, J S (May 2007). "American Tribute to Agatha Christie: The Classic Years 1920s". Retrieved 2 December 2013.
- ^ a b c Curran, John (2009). Agatha Christie's Secret Notebooks. HarperCollins. p. 33. ISBN 978-0-00-731056-2.
- ^ Neither Hastings' first name nor rank is given in this novel
- ^ a b "Review", The Times Literary Supplement, p. 78, 3 February 1921
- ^ a b "Review", The New York Times Book Review, p. 50, 26 December 1920
- ^ a b "Review", The Sunday Times, p. 7, 20 February 1921
- ^ a b "Review", The British Weekly, vol. LXIX, no. 1789, p. 411, 10 February 1921
- ^ a b c Barnard, Robert (1990). A Talent to Deceive – an appreciation of Agatha Christie (Revised ed.). Fontana Books. ISBN 0-00-637474-3.
- ^ "The Making of The Mysterious Affair at Styles". Official Agatha Christie site. 9 September 2020. Retrieved 23 February 2022.
- ^ "Christie's Life: 1925-1928: A Difficult Start". The Home of Agatha Christie. Retrieved 16 October 2018.
- ^ The Mystery of Agatha Christie – A Trip With David Suchet (Directed by Claire Lewins). Testimony films (for ITV).
- ^ a b c Morgan, Janet (1984). Agatha Christie, A Biography. Collins. ISBN 0-00-216330-6.
- ^ "Christie's Life: 1916-1924: Poirot is Born". The Home of Agatha Christie. Retrieved 16 October 2018.
- ^ "Agatha Christie: The Indian hotel murder that inspired the queen of crime". 13 January 2024. Retrieved 31 January 2024.
- ^ Christie, Agatha (1921). The Mysterious Affair at Styles. John Lane Company, The Bodley Head. pp. 10–11.
- ^ "Binge! Agatha Christie: Nine Great Christie Novels". Entertainment Weekly. No. 1343–44. 26 December 2014. pp. 32–33.
- ^ "The Mysterious Affair at Styles". AgatheChristie.com. Retrieved 6 December 2013.
- ^ "A titokzatos stylesi eset". IMDb. Retrieved 18 September 2023.
- ^ "The Mysterious Affair at Styles". BBC. 22 April 2014. Retrieved 28 December 2015.
- ^ Hansen, David (2012). "Mysterious Affair at Styles". Playscripts. Retrieved 4 August 2018.
- ^ Cofta, Mark (22 March 2016). "Mysterious Affair at Styles at Hedgerow Theatre: Murder most formulaic". Broad Street Review. Retrieved 3 August 2018.
- ^ "The Mysterious Affair at Styles". Fantastic Fiction. Retrieved 27 November 2013.
- ^ "Page of The Times Weekly Edition". 27 February 1920. Retrieved 31 March 2020 – via News UK Archives.
- ^ "Penguin Series: Penguin by the numbers". Ramon Schenk. 4 November 2007. Retrieved 4 February 2014.
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