APA (7 वां संस्करण) प्रशस्ति पत्र
Van der Walt, B. J. (1979). Contemporary research on the sixteenth century Reformation. Potchefstroomse University for Christian Higher Education.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Van der Walt, B. J. Contemporary Research on the Sixteenth Century Reformation. Potchefstroom, Republic of South Africa: Potchefstroomse University for Christian Higher Education, 1979.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Van der Walt, B. J. Contemporary Research on the Sixteenth Century Reformation. Potchefstroomse University for Christian Higher Education, 1979.
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