Cita APA (7th ed.)

Keesing, D. B. (1979). Trade policy for developing countries: A background study for world development report, 1979. World Bank.

Cita Chicago (17th ed.)

Keesing, Donald B. Trade Policy for Developing Countries: A Background Study for World Development Report, 1979. Washington, D.C: World Bank, 1979.

Cita MLA (9th ed.)

Keesing, Donald B. Trade Policy for Developing Countries: A Background Study for World Development Report, 1979. World Bank, 1979.