APA (7th ed.) Zitazioa

VALLINS, G. (1973). Spelling: With a chapter on American spelling. Andre Deutsch.

Chicago Style (17th ed.) Zitazioa

VALLINS, G.H. Spelling: With a Chapter on American Spelling. London: Andre Deutsch, 1973.

MLA (9th ed.) Zitazioa

VALLINS, G.H. Spelling: With a Chapter on American Spelling. Andre Deutsch, 1973.