Dyfyniad APA

Marsh. Practically Joking. Utah State University Press.

Dyfyniad Arddull Chicago

Marsh. Practically Joking. Utah State University Press.

Dyfyniad MLA

Marsh. Practically Joking. Utah State University Press.

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