Shouler, K. A. (2008). The everything guide to understanding philosophy: The basic concepts of the greatest thinkers of all time - made easy! Adams Media.
Chicago-Zitierstil (17. Ausg.)Shouler, Kenneth A. The Everything Guide to Understanding Philosophy: The Basic Concepts of the Greatest Thinkers of All Time - Made Easy! Avon, Mass: Adams Media, 2008.
MLA-Zitierstil (9. Ausg.)Shouler, Kenneth A. The Everything Guide to Understanding Philosophy: The Basic Concepts of the Greatest Thinkers of All Time - Made Easy! Adams Media, 2008.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.