Brooks, D. (2019). The second mountain: The quest for a moral life.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBrooks, David. The Second Mountain: The Quest for a Moral Life. 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBrooks, David. The Second Mountain: The Quest for a Moral Life. 2019.
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