Dyfyniad APA

Goudie, A. (1993). The nature of the environment (3rd ed.). B. Blackwell.

Dyfyniad Arddull Chicago

Goudie, Andrew. The Nature of the Environment. 3rd ed. Oxford ; Cambridge, Mass.: B. Blackwell, 1993.

Dyfyniad MLA

Goudie, Andrew. The Nature of the Environment. 3rd ed. B. Blackwell, 1993.

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