Παραπομπή APA

Morris, I. (1972). Foul play and other puzzles. Bodley Head.

Παραπομπή Chicago Style

Morris, Ivan. Foul Play and Other Puzzles. London: Bodley Head, 1972.

Παραπομπή MLA

Morris, Ivan. Foul Play and Other Puzzles. Bodley Head, 1972.