Cita APA (7a ed.)
Severy, M. Great Religions of the World. National Geographic Society.
Cita estilo Chicago (17a ed.)
Severy, Merle. Great Religions of the World. Washington, EUA: National Geographic Society.
Cita MLA (9a ed.)
Severy, Merle. Great Religions of the World. National Geographic Society.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.