Dyfyniad APA

Halstead, B. W. (1965). Poisonous and venomous marine animals of the world. United States Government Printing.

Dyfyniad Arddull Chicago

Halstead, Bruce W. Poisonous and Venomous Marine Animals of the World. Washington, D.C.: United States Government Printing, 1965.

Dyfyniad MLA

Halstead, Bruce W. Poisonous and Venomous Marine Animals of the World. United States Government Printing, 1965.

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