Cita APA (7th ed.)
Södersten, B. (1980). International economics (2nd ed.). St. Martin's Press.
Cita Chicago (17th ed.)
Södersten, Bo. International Economics. 2nd ed. New York: St. Martin's Press, 1980.
Cita MLA (9th ed.)
Södersten, Bo. International Economics. 2nd ed. St. Martin's Press, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.