CLARK, W. H. (1968). The psychology of religion: An introduction to religious experience and behavior. The Macmillan Co.
Lua i Stíl Chicago (17ú heag.)CLARK, Walter Houston. The Psychology of Religion: An Introduction to Religious Experience and Behavior. New York: The Macmillan Co, 1968.
Lua MLA (9ú heag.)CLARK, Walter Houston. The Psychology of Religion: An Introduction to Religious Experience and Behavior. The Macmillan Co, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.