APA
Shouler K., . (2008). The Everything Guide to Understanding Philosophy. U.S.A: Adams Media.
Chicago
Shouler Kenneth, . 2008. The Everything Guide to Understanding Philosophy. U.S.A: Adams Media.
Harvard
Shouler K., . (2008). The Everything Guide to Understanding Philosophy. U.S.A: Adams Media.
MLA
Shouler Kenneth, . The Everything Guide to Understanding Philosophy. U.S.A: Adams Media. 2008.