APA (7th ed.) Zitazioa

Bradbury, R. (1990). Zen in the art of writing. Bantam.

Chicago Style (17th ed.) Zitazioa

Bradbury, Ray. Zen in the Art of Writing. New York: Bantam, 1990.

MLA (9th ed.) Zitazioa

Bradbury, Ray. Zen in the Art of Writing. Bantam, 1990.