APA (7th ed.) Zitazioa

Södersten, B. (1980). International economics (2nd ed.). St. Martin's Press.

Chicago Style (17th ed.) Zitazioa

Södersten, Bo. International Economics. 2nd ed. New York: St. Martin's Press, 1980.

MLA (9th ed.) Zitazioa

Södersten, Bo. International Economics. 2nd ed. St. Martin's Press, 1980.