Dyfyniad APA

Edwards, P. D., & Kirk, D. (2010). While the world is sleeping. Orchard Books.

Dyfyniad Arddull Chicago

Edwards, Pamela Duncan, and Daniel Kirk. While the World Is Sleeping. New York: Orchard Books, 2010.

Dyfyniad MLA

Edwards, Pamela Duncan, and Daniel Kirk. While the World Is Sleeping. Orchard Books, 2010.

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