Dyfyniad APA

Jackson, W. (1979). Man and the environment (3d ed.). W. C. Brown.

Dyfyniad Arddull Chicago

Jackson, Wes. Man and the Environment. 3d ed. Dubuque, Iowa: W. C. Brown, 1979.

Dyfyniad MLA

Jackson, Wes. Man and the Environment. 3d ed. W. C. Brown, 1979.

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