APA (7th ed.) Zitazioa

Wells, R. (1973). International trading. ELBS and Edward Arnold.

Chicago Style (17th ed.) Zitazioa

Wells, Rosemary. International Trading. London: ELBS and Edward Arnold, 1973.

MLA (9th ed.) Zitazioa

Wells, Rosemary. International Trading. ELBS and Edward Arnold, 1973.