Randall E. King (1997). «When Worlds Collide: Politics, Religion, and Media at the 1970 East Tennessee Billy Graham Crusade». Journal of Church and State 2 ed. pp. 273–95. JSTOR23919865. doi:10.1093/jcs/39.2.273Em falta ou vazio |url= (ajuda)
Randall E. King (1997). «When Worlds Collide: Politics, Religion, and Media at the 1970 East Tennessee Billy Graham Crusade». Journal of Church and State 2 ed. pp. 273–95. JSTOR23919865. doi:10.1093/jcs/39.2.273Em falta ou vazio |url= (ajuda)