Soccio, D. J. (2007). How to get the most out of philosophy (6th ed.). Thomson/Wadsworth.
Lua i Stíl Chicago (17ú heag.)Soccio, Douglas J. How to Get the Most Out of Philosophy. 6th ed. Belmont, CA: Thomson/Wadsworth, 2007.
Lua MLA (8ú heag.)Soccio, Douglas J. How to Get the Most Out of Philosophy. 6th ed. Thomson/Wadsworth, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.