Dyfyniad APA

Marsh, J. (1974). Cone shells of the world (3rd ed.). Jacaranda Press.

Dyfyniad Arddull Chicago

Marsh, J.A. Cone Shells of the World. 3rd ed. Hongkong: Jacaranda Press, 1974.

Dyfyniad MLA

Marsh, J.A. Cone Shells of the World. 3rd ed. Jacaranda Press, 1974.

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