Sobel, D. (2017). The glass universe: How the ladies of the Harvard Observatory took the measure of the stars (Large print edition.). Thorndike Press, A part of Gale, Cengage Learning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSobel, Dava. The Glass Universe: How the Ladies of the Harvard Observatory Took the Measure of the Stars. Large print edition. Waterville, Maine: Thorndike Press, A part of Gale, Cengage Learning, 2017.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSobel, Dava. The Glass Universe: How the Ladies of the Harvard Observatory Took the Measure of the Stars. Large print edition. Thorndike Press, A part of Gale, Cengage Learning, 2017.
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