Style de citation APA (7e éd.)
Johnstone, P. (1978). Operation world: A day to day guide to praying for the world. WEC Publications.
Style de citation Chicago (17e éd.)
Johnstone, Patrick. Operation World: A Day to Day Guide to Praying for the World. England: WEC Publications, 1978.
Style de citation MLA (9e éd.)
Johnstone, Patrick. Operation World: A Day to Day Guide to Praying for the World. WEC Publications, 1978.
Attention : ces citations peuvent ne pas être correctes à 100%.