Dyfyniad APA

(2001). Commodity market reforms: Lessons of two decades. Washington DC: World Bank.

Dyfyniad Arddull Chicago

Commodity Market Reforms: Lessons of Two Decades. Washington DC: World Bank, 2001.

Dyfyniad MLA

Commodity Market Reforms: Lessons of Two Decades. Washington DC: World Bank, 2001.

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