Dyfyniad APA

Powell, A. Antarctic and subantarctic mollusca: Pelecypoda and gastropodass. Cambridge University Press.

Dyfyniad Arddull Chicago

Powell, A.W.B. Antarctic and Subantarctic Mollusca: Pelecypoda and Gastropodass. New York: Cambridge University Press.

Dyfyniad MLA

Powell, A.W.B. Antarctic and Subantarctic Mollusca: Pelecypoda and Gastropodass. Cambridge University Press.

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