SNOW, T. P. (1985). The Dynamic Universe An Introduction To Astronomy Theodore P. Snow. West Publishing Company.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSNOW, Theodore P. The Dynamic Universe An Introduction To Astronomy Theodore P. Snow. West Publishing Company, 1985.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSNOW, Theodore P. The Dynamic Universe An Introduction To Astronomy Theodore P. Snow. West Publishing Company, 1985.
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