Grubbs, L. (2009). Secular missionaries: Americans and African development in the 1960s. University of Massachusetts Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGrubbs, Larry. Secular Missionaries: Americans and African Development in the 1960s. Amherst, [Massachusetts] ; Boston, [Massachusetts]: University of Massachusetts Press, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGrubbs, Larry. Secular Missionaries: Americans and African Development in the 1960s. University of Massachusetts Press, 2009.
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