Dyfyniad APA

Grass, G., & Manhaim, R. (1969). Dog years. Penguin.

Dyfyniad Arddull Chicago

Grass, Gunter, and Ralph Manhaim. Dog Years. Middlesex: Penguin, 1969.

Dyfyniad MLA

Grass, Gunter, and Ralph Manhaim. Dog Years. Penguin, 1969.

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