Παραπομπή σε μορφή APA (7η εκδ.)

Gaarder, J., & translated by Paulette Moller67358. (2004). Sophie's world: Novel about the history of philosophy. Farrar.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Gaarder, Jostein, και translated by Paulette Moller67358. Sophie's World: Novel About the History of Philosophy. New York: Farrar, 2004.

Παραπομπή σε μορφή MLA (9th εκδ.)

Gaarder, Jostein, και translated by Paulette Moller67358. Sophie's World: Novel About the History of Philosophy. Farrar, 2004.