Smith, J. E. (1965). Philosophy of religion. Macmillan.
Lua i Stíl Chicago (17ú heag.)Smith, John Edwin. Philosophy of Religion. New York: Macmillan, 1965.
Lua MLA (9ú heag.)Smith, John Edwin. Philosophy of Religion. Macmillan, 1965.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.