Dyfyniad APA

(1994). Population, economic development, and the environment. Oxford, New York: Oxford Univ.

Dyfyniad Arddull Chicago

Population, Economic Development, and the Environment. Oxford, New York: Oxford Univ, 1994.

Dyfyniad MLA

Population, Economic Development, and the Environment. Oxford, New York: Oxford Univ, 1994.

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