APA-ийн эшлэл(7 дахь хэвлэлт)

Gaarder, J., & Moller, P. (1995). Sophie's world: A novel about the history of philosophy. Phoenix House.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Gaarder, Jostein, ба Paulette Moller. Sophie's World: A Novel About the History of Philosophy. London: Phoenix House, 1995.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Gaarder, Jostein, ба Paulette Moller. Sophie's World: A Novel About the History of Philosophy. Phoenix House, 1995.