Caird, J. (1901). An introduction to the philosophy of religion (New ed.). J. Maclehose and sons.
Lua i Stíl Chicago (17ú heag.)Caird, John. An Introduction to the Philosophy of Religion. New ed. Glasgow: J. Maclehose and sons, 1901.
Lua MLA (8ú heag.)Caird, John. An Introduction to the Philosophy of Religion. New ed. J. Maclehose and sons, 1901.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.