APA (7 वां संस्करण) प्रशस्ति पत्र

Walt, B. J. v. d. (2014). At the cradle of a Christian philosophy: In Calvin, Vollenhoven, Stoker, Dooyeweerd. The Institute for Contemporary Christianity in Africa.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Walt, B. J. van der. At the Cradle of a Christian Philosophy: In Calvin, Vollenhoven, Stoker, Dooyeweerd. Potchefstroom: The Institute for Contemporary Christianity in Africa, 2014.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Walt, B. J. van der. At the Cradle of a Christian Philosophy: In Calvin, Vollenhoven, Stoker, Dooyeweerd. The Institute for Contemporary Christianity in Africa, 2014.

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