Dyfyniad APA

Bienen, H. (1983). Oil revenues and policy choice in Nigeria. World Bank.

Dyfyniad Arddull Chicago

Bienen, Henry. Oil Revenues and Policy Choice in Nigeria. Washington, D.C.: World Bank, 1983.

Dyfyniad MLA

Bienen, Henry. Oil Revenues and Policy Choice in Nigeria. World Bank, 1983.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.