Barrett, D. B. (1982). World christian encyclopedia A comparative survey of churches and religions in the modern A D 2000. Oxford University Press.
Chicago-referens (17:e uppl.)Barrett, David B. World Christian Encyclopedia A Comparative Survey of Churches and Religions in the Modern A D 2000. Oxford University Press, 1982.
MLA-referens (9:e uppl.)Barrett, David B. World Christian Encyclopedia A Comparative Survey of Churches and Religions in the Modern A D 2000. Oxford University Press, 1982.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.