Frankl, G. (2000). Foundations of morality: An investigation into the origin and purpose of moral concepts (1. publ.). Open Gate Press.
Chicago-Zitierstil (17. Ausg.)Frankl, George. Foundations of Morality: An Investigation into the Origin and Purpose of Moral Concepts. 1. publ. London: Open Gate Press, 2000.
MLA-Zitierstil (9. Ausg.)Frankl, George. Foundations of Morality: An Investigation into the Origin and Purpose of Moral Concepts. 1. publ. Open Gate Press, 2000.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.