Harries, P., & Maxwell, D. (2012). The spiritual in the secular: Missionaries and knowledge about Africa. William B. Eerdmans Publishing Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHarries, Patrick, और David Maxwell. The Spiritual in the Secular: Missionaries and Knowledge About Africa. Grand Rapids, MI: William B. Eerdmans Publishing Company, 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्रHarries, Patrick, और David Maxwell. The Spiritual in the Secular: Missionaries and Knowledge About Africa. William B. Eerdmans Publishing Company, 2012.
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