Dyfyniad APA

Gaarder, J., & Moller, P. (1996). Sophie's world: A novel about the history of philosophy. Phoenix.

Dyfyniad Arddull Chicago

Gaarder, Jostein, and Paulette Moller. Sophie's World: A Novel About the History of Philosophy. London: Phoenix, 1996.

Dyfyniad MLA

Gaarder, Jostein, and Paulette Moller. Sophie's World: A Novel About the History of Philosophy. Phoenix, 1996.

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