Dyfyniad APA

Dickinson, R. E. (1970). Regional ecology: The study of man's environment. Wiley.

Dyfyniad Arddull Chicago

Dickinson, Robert Eric. Regional Ecology: The Study of Man's Environment. New York: Wiley, 1970.

Dyfyniad MLA

Dickinson, Robert Eric. Regional Ecology: The Study of Man's Environment. Wiley, 1970.

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