Dyfyniad APA

Sumich, J. L. (2004). Introduction to the biology of marine life (8th ed.). Jones and Bartlett Publishers.

Dyfyniad Arddull Chicago

Sumich, James L. Introduction to the Biology of Marine Life. 8th ed. London: Jones and Bartlett Publishers, 2004.

Dyfyniad MLA

Sumich, James L. Introduction to the Biology of Marine Life. 8th ed. Jones and Bartlett Publishers, 2004.

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