APA (7th ed.) Zitazioa
Lawhead, W. F. (2003). The philosophical journey: An interactive approach (2nd ed.). McGraw-Hill.
Chicago Style (17th ed.) Zitazioa
Lawhead, William F. The Philosophical Journey: An Interactive Approach. 2nd ed. Boston: McGraw-Hill, 2003.
MLA (9th ed.) Zitazioa
Lawhead, William F. The Philosophical Journey: An Interactive Approach. 2nd ed. McGraw-Hill, 2003.
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