Christie, A. (1960). Ordeal by innocence. Pocket books.
Cita Chicago Style (17a ed.)Christie, Agatha. Ordeal by Innocence. New York: Pocket books, 1960.
Cita MLA (9a ed.)Christie, Agatha. Ordeal by Innocence. Pocket books, 1960.
Precaución: Estas citas no son 100% exactas.
