Dyfyniad APA

Margulis, S. (2002). Brazil: Managing water quality. World Bank.

Dyfyniad Arddull Chicago

Margulis, Sergio. Brazil: Managing Water Quality. Washington, D.C: World Bank, 2002.

Dyfyniad MLA

Margulis, Sergio. Brazil: Managing Water Quality. World Bank, 2002.

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