APA (7th ed.) Zitazioa

Barley, N. (1988). Not a hazardous sport. Penguin Books.

Chicago Style (17th ed.) Zitazioa

Barley, Nigel. Not a Hazardous Sport. London: Penguin Books, 1988.

MLA (9th ed.) Zitazioa

Barley, Nigel. Not a Hazardous Sport. Penguin Books, 1988.