APA (7th ed.) Zitazioa

Steedman, I. (1979). Fundamental issues in trade theory. Macmillan.

Chicago Style (17th ed.) Zitazioa

Steedman, Ian. Fundamental Issues in Trade Theory. London: Macmillan, 1979.

MLA (9th ed.) Zitazioa

Steedman, Ian. Fundamental Issues in Trade Theory. Macmillan, 1979.