APA (7th ed.) Zitazioa

OBEIRNE, T. (1965). Puzzles and Pradoxes. Oxford Univ. press.

Chicago Style (17th ed.) Zitazioa

OBEIRNE, T.H. Puzzles and Pradoxes. London: Oxford Univ. press, 1965.

MLA (9th ed.) Zitazioa

OBEIRNE, T.H. Puzzles and Pradoxes. Oxford Univ. press, 1965.