Doos, G. R. (2011). Africa: Adventist Mission in Africa: Challenges & Prospects. Department of World Mission Andrews University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDoos, Gorden R. Africa: Adventist Mission in Africa: Challenges & Prospects. Berrien Springs, Michigan: Department of World Mission Andrews University, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDoos, Gorden R. Africa: Adventist Mission in Africa: Challenges & Prospects. Department of World Mission Andrews University, 2011.
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