Cita APA (7th ed.)

Morton, K., & Tulloch, P. (1977). Trade and developing countries. Wiley.

Cita Chicago (17th ed.)

Morton, Kathryn, i Peter Tulloch. Trade and Developing Countries. New York: Wiley, 1977.

Cita MLA (9th ed.)

Morton, Kathryn, i Peter Tulloch. Trade and Developing Countries. Wiley, 1977.