APA (7e ed.) Bronvermelding

Balassa, B. A. (1970). Changing patterns in foreign trade and payments (Rev. ed.). Norton.

Chicago (17e ed.) Bronvermelding

Balassa, Bela A. Changing Patterns in Foreign Trade and Payments. Rev. ed. New York: Norton, 1970.

MLA (9e ed.) Bronvermelding

Balassa, Bela A. Changing Patterns in Foreign Trade and Payments. Rev. ed. Norton, 1970.