Zuckerman, P., & Brion, P. (2019). What it means to be moral: Why religion is not necessary for living an ethical life (Unabridged.). HighBridge Audio.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रZuckerman, Phil, और Paul Brion. What It Means to Be Moral: Why Religion Is Not Necessary for Living an Ethical Life. Unabridged. Prince Frederick: HighBridge Audio, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रZuckerman, Phil, और Paul Brion. What It Means to Be Moral: Why Religion Is Not Necessary for Living an Ethical Life. Unabridged. HighBridge Audio, 2019.
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