Levesque, E. (2020). The last stargazers: The enduring story of astronomy's vanishing explorers. Sourcebooks.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLevesque, Emily. The Last Stargazers: The Enduring Story of Astronomy's Vanishing Explorers. Naperville, Illinois: Sourcebooks, 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLevesque, Emily. The Last Stargazers: The Enduring Story of Astronomy's Vanishing Explorers. Sourcebooks, 2020.
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