Dyfyniad APA

Stiling, P. (1999). Ecology: Theories and applications (3rd ed.). Prentice-Hall.

Dyfyniad Arddull Chicago

Stiling, Peter. Ecology: Theories and Applications. 3rd ed. Upper Saddle, NJ: Prentice-Hall, 1999.

Dyfyniad MLA

Stiling, Peter. Ecology: Theories and Applications. 3rd ed. Prentice-Hall, 1999.

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