APA-referens (7:e uppl.)

Miller, E. L. (1987). Questions that matter: An invitation to philosophy (2nd.ed.). MCGraw-Hill.

Chicago-referens (17:e uppl.)

Miller, ED L. Questions That Matter: An Invitation to Philosophy. 2nd.ed. New York: MCGraw-Hill, 1987.

MLA-referens (9:e uppl.)

Miller, ED L. Questions That Matter: An Invitation to Philosophy. 2nd.ed. MCGraw-Hill, 1987.