Joad, C. E. M. (1965). Philosophy. A Premier Book.
Lua i Stíl Chicago (17ú heag.)Joad, C. E. M. Philosophy. New York: A Premier Book, 1965.
Lua MLA (8ú heag.)Joad, C. E. M. Philosophy. A Premier Book, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.