Davis, L. S. (2007). Smithsonian Q&A: The ultimate question and answer book. Collins.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDavis, Lloyd Spencer. Smithsonian Q&A: The Ultimate Question and Answer Book. New York: Collins, 2007.
एमएलए (8वां संस्करण) प्रशस्ति पत्रDavis, Lloyd Spencer. Smithsonian Q&A: The Ultimate Question and Answer Book. Collins, 2007.
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