Παραπομπή APA

Garder,Jostein, & Moller, P. (1995). Sophies world: Novel about the history of philosophy. Phoneix.

Παραπομπή Chicago Style

Garder,Jostein, και Paulette Moller. Sophies World: Novel About the History of Philosophy. Great Britain: Phoneix, 1995.

Παραπομπή MLA

Garder,Jostein, και Paulette Moller. Sophies World: Novel About the History of Philosophy. Phoneix, 1995.