Sogaard, V. (1996). Research in church and mission. William Carey.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSogaard, Viggo. Research in Church and Mission. California: William Carey, 1996.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSogaard, Viggo. Research in Church and Mission. William Carey, 1996.
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