Dyfyniad APA

Sterba, G., & Tucker, D. W. T. (1989). Freshwater fishes of the world.

Dyfyniad Arddull Chicago

Sterba, Gunther, and Denys W; Tr Tucker. Freshwater Fishes of the World. New Delhi, Cosmo, 1989.

Dyfyniad MLA

Sterba, Gunther, and Denys W; Tr Tucker. Freshwater Fishes of the World. 1989.

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