Gaarder, J., & translated by Paulette Moller67358. (2004). Sophie's world: Novel about the history of philosophy. Farrar.
Cita Chicago (17th ed.)Gaarder, Jostein, i translated by Paulette Moller67358. Sophie's World: Novel About the History of Philosophy. New York: Farrar, 2004.
Cita MLA (9th ed.)Gaarder, Jostein, i translated by Paulette Moller67358. Sophie's World: Novel About the History of Philosophy. Farrar, 2004.
Atenció: Aquestes cites poden no estar 100% correctes.