APA (7 वां संस्करण) प्रशस्ति पत्र
Westman, R. S. (2011). The Copernican question: Prognostication, skepticism, and celestial order. University of California Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Westman, Robert S. The Copernican Question: Prognostication, Skepticism, and Celestial Order. Berkeley: University of California Press, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Westman, Robert S. The Copernican Question: Prognostication, Skepticism, and Celestial Order. University of California Press, 2011.
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