Dyfyniad APA

Stiling, P. (1999). Ecology: Theories and applications. Prentice Hall.

Dyfyniad Arddull Chicago

Stiling, Peter. Ecology: Theories and Applications. Upper Saddle River, N.J: Prentice Hall, 1999.

Dyfyniad MLA

Stiling, Peter. Ecology: Theories and Applications. Prentice Hall, 1999.

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