Stroumsa, G., & Fredriksen, P. (1998). The two souls and the divided will.
Chicago Style aipamenaStroumsa, G., and P. Fredriksen. The Two Souls and the Divided Will. 1998.
MLA aipamenaStroumsa, G., and P. Fredriksen. The Two Souls and the Divided Will. 1998.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.