Verbeke, G., & Verhelst, D. (1976). Aquinas and Problems of his Time. Leuven University Press.
Chicago Style (17. basım) AtıfVerbeke, G., ve D. Verhelst. Aquinas and Problems of His Time. Leuven University Press, 1976.
MLA (9th ed.) AtıfVerbeke, G., ve D. Verhelst. Aquinas and Problems of His Time. Leuven University Press, 1976.
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