Dyfyniad APA

Gaarder, J., & translated by Paulette Moller. (2004). Sophie's world: Novel about the history of philosophy. Farrar.

Dyfyniad Arddull Chicago

Gaarder, Jostein, and translated by Paulette Moller. Sophie's World: Novel About the History of Philosophy. New York: Farrar, 2004.

Dyfyniad MLA

Gaarder, Jostein, and translated by Paulette Moller. Sophie's World: Novel About the History of Philosophy. Farrar, 2004.

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