Christie, A. (1969). At Bertram's hotel: Featuring miss Marple, the original character as created by Agatha Christie (2.impe.). Collins.
Chicago-Zitierstil (17. Ausg.)Christie, Agatha. At Bertram's Hotel: Featuring Miss Marple, the Original Character as Created by Agatha Christie. 2.impe. London: Collins, 1969.
MLA-Zitierstil (9. Ausg.)Christie, Agatha. At Bertram's Hotel: Featuring Miss Marple, the Original Character as Created by Agatha Christie. 2.impe. Collins, 1969.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.