Penner, T., & Kraut, R. (1989). Nature, knowledge and virtue: Essays in memory of Joan Kung. Academic Printing and Publishing.
Style de citation Chicago (17e éd.)Penner, Terry, et Richard Kraut. Nature, Knowledge and Virtue: Essays in Memory of Joan Kung. Edmonton: Academic Printing and Publishing, 1989.
Style de citation MLA (9e éd.)Penner, Terry, et Richard Kraut. Nature, Knowledge and Virtue: Essays in Memory of Joan Kung. Academic Printing and Publishing, 1989.
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