Dyfyniad APA

London, J., & Olson, J. (2011). Little penguin: The Emperor of Antarctica. Marshall Cavendish Children's.

Dyfyniad Arddull Chicago

London, Jonathan, and Julie Olson. Little Penguin: The Emperor of Antarctica. New York: Marshall Cavendish Children's, 2011.

Dyfyniad MLA

London, Jonathan, and Julie Olson. Little Penguin: The Emperor of Antarctica. Marshall Cavendish Children's, 2011.

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