Creel, R. E. (2001). Thinking philosophically: An introduction to critical reflection and rational dialogue. Blackwell.
Chicago-referens (17:e uppl.)Creel, Richard E. Thinking Philosophically: An Introduction to Critical Reflection and Rational Dialogue. Malden, Mass.: Blackwell, 2001.
MLA-referens (8:e uppl.)Creel, Richard E. Thinking Philosophically: An Introduction to Critical Reflection and Rational Dialogue. Blackwell, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.