Dyfyniad APA

Memoir (The Paleontological Society). Cambridge University Press.

Dyfyniad Arddull Chicago

Memoir (The Paleontological Society). Cambridge University Press.

Dyfyniad MLA

Memoir (The Paleontological Society). Cambridge University Press.

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