Hick, J. H. (1990). Philosophy of religion: Philosophy of religion (4th ed.). Prentice-Hall of India.
Lua i Stíl Chicago (17ú heag.)Hick, John H. Philosophy of Religion: Philosophy of Religion. 4th ed. New Delhi: Prentice-Hall of India, 1990.
Lua MLA (9ú heag.)Hick, John H. Philosophy of Religion: Philosophy of Religion. 4th ed. Prentice-Hall of India, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.