Williamson, T., & Association, T. S. P. (1988). Knowability and constructivism. Blackwell Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWilliamson, T., और The Scots Philosophical Association. Knowability and Constructivism. Blackwell Publishing, 1988.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWilliamson, T., और The Scots Philosophical Association. Knowability and Constructivism. Blackwell Publishing, 1988.
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