Dyfyniad APA

Engelman, R. (2008). More: Population, nature, and what women want. Washington, D.C.: Island Press.

Dyfyniad Arddull Chicago

Engelman, Robert. More: Population, Nature, and What Women Want. Washington, D.C.: Island Press, 2008.

Dyfyniad MLA

Engelman, Robert. More: Population, Nature, and What Women Want. Washington, D.C.: Island Press, 2008.

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