APA (7 वां संस्करण) प्रशस्ति पत्र
Ward, A. (2009). Matter and form: From natural science to political philosophy. Lexington Books.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Ward, Ann. Matter and Form: From Natural Science to Political Philosophy. Lanham, Maryland: Lexington Books, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Ward, Ann. Matter and Form: From Natural Science to Political Philosophy. Lexington Books, 2009.
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