Library of Congress. (2001). Library of Congress subject headings in philosophy: A thesaurus. Philosophy Documentation Center.
Chicago-Zitierstil (17. Ausg.)Library of Congress. Library of Congress Subject Headings in Philosophy: A Thesaurus. Charlottesville, VA: Philosophy Documentation Center, 2001.
MLA-Zitierstil (9. Ausg.)Library of Congress. Library of Congress Subject Headings in Philosophy: A Thesaurus. Philosophy Documentation Center, 2001.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.