Christie, Agatha, 1890-1976, author
Gramedia Pustaka Utama, 2018
Buku Teks
Academic Press, 1993
Buku Teks
edited by Ann Olga Koloski-Ostrow, Claire L. Lyons
Routledge, 1997
Buku Teks
Kerr, Norman S.
WM. C. Brown Co., 1967
Buku Teks
Bartlett, Norman
Australian War Memorial, 1955
Buku Teks