APA (7th ed.) Zitazioa
Douglas, J. (1975). Let the earth hear his voice: International congress on world evangelization...... World wide.
Chicago Style (17th ed.) Zitazioa
Douglas, J.D. Let the Earth Hear His Voice: International Congress on World Evangelization...... Minneapolis: World wide, 1975.
MLA (9th ed.) Zitazioa
Douglas, J.D. Let the Earth Hear His Voice: International Congress on World Evangelization...... World wide, 1975.
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