Dyfyniad APA

Molles, M. C. (1999). Ecology: Concepts and Applications. Boston: McGraw-Hill.

Dyfyniad Arddull Chicago

Molles, Manuel C. Ecology: Concepts and Applications. Boston: McGraw-Hill, 1999.

Dyfyniad MLA

Molles, Manuel C. Ecology: Concepts and Applications. Boston: McGraw-Hill, 1999.

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