Ryrie, A. (2019). Unbelievers: An emotional history of doubt (First Harvard University Press edition.). The Belknap Press of Harvard University Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRyrie, Alec. Unbelievers: An Emotional History of Doubt. First Harvard University Press edition. Cambridge, Massachusetts.: The Belknap Press of Harvard University Press, 2019.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRyrie, Alec. Unbelievers: An Emotional History of Doubt. First Harvard University Press edition. The Belknap Press of Harvard University Press, 2019.
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