LEEUW, G. D. (1963). Religion in essence and manifestation. Harper and Row.
Lua i Stíl Chicago (17ú heag.)LEEUW, G.Van Der. Religion in Essence and Manifestation. New York: Harper and Row, 1963.
Lua MLA (9ú heag.)LEEUW, G.Van Der. Religion in Essence and Manifestation. Harper and Row, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.