Dyfyniad APA

BANK, W. (1990). Annual conference on development economics 1989. World Bank.

Dyfyniad Arddull Chicago

BANK, WORLD. Annual Conference on Development Economics 1989. World Bank, 1990.

Dyfyniad MLA

BANK, WORLD. Annual Conference on Development Economics 1989. World Bank, 1990.

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