Dyfyniad APA

Castro, P., & Huber, M. E. (2000). Marine biology (3rd ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Castro, Peter, and Michael E. Huber. Marine Biology. 3rd ed. Boston: McGraw-Hill, 2000.

Dyfyniad MLA

Castro, Peter, and Michael E. Huber. Marine Biology. 3rd ed. McGraw-Hill, 2000.

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