Schmid, G., & Wilson, J. (1979). Principles of integral science of religion. Mouton Publishers.
Lua i Stíl Chicago (17ú heag.)Schmid, Georg, agus John Wilson. Principles of Integral Science of Religion. The Hague ; Paris ; New York: Mouton Publishers, 1979.
Lua MLA (9ú heag.)Schmid, Georg, agus John Wilson. Principles of Integral Science of Religion. Mouton Publishers, 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.