APA (7e ed.) Bronvermelding

Balassa, B. A. (1991). Trends in developing country exports. Office of the Vice President, Development Economics, World Bank.

Chicago (17e ed.) Bronvermelding

Balassa, Bela A. Trends in Developing Country Exports. Washington, D.C: Office of the Vice President, Development Economics, World Bank, 1991.

MLA (9e ed.) Bronvermelding

Balassa, Bela A. Trends in Developing Country Exports. Office of the Vice President, Development Economics, World Bank, 1991.