APA (7th ed.) Zitazioa
Steinbeck, J. Sweet Thursday. Bantam Books.
Chicago Style (17th ed.) Zitazioa
Steinbeck, John. Sweet Thursday. Nueva York, EUA: Bantam Books.
MLA (9th ed.) Zitazioa
Steinbeck, John. Sweet Thursday. Bantam Books.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.