APA (7e ed.) Bronvermelding
Douglas, J. (1975). Let the earth hear his voice: International congress on world evangelization...... World wide.
Chicago (17e ed.) Bronvermelding
Douglas, J.D. Let the Earth Hear His Voice: International Congress on World Evangelization...... Minneapolis: World wide, 1975.
MLA (9e ed.) Bronvermelding
Douglas, J.D. Let the Earth Hear His Voice: International Congress on World Evangelization...... World wide, 1975.
Let op: Deze citaties zijn niet altijd 100% accuraat.