APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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