APA (7e ed.) Bronvermelding

Lawhead, W. F. (2006). The philosophical journey: An interactive approach (3rd ed.). McGraw-Hill.

Chicago (17e ed.) Bronvermelding

Lawhead, William F. The Philosophical Journey: An Interactive Approach. 3rd ed. Boston, MA: McGraw-Hill, 2006.

MLA (9e ed.) Bronvermelding

Lawhead, William F. The Philosophical Journey: An Interactive Approach. 3rd ed. McGraw-Hill, 2006.