Hopkins, L. B., & Halstead, V. (1999). Spectacular science: A book of poems. Simon & Schuster Books for Young Readers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHopkins, Lee Bennett, और Virginia Halstead. Spectacular Science: A Book of Poems. New York: Simon & Schuster Books for Young Readers, 1999.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHopkins, Lee Bennett, और Virginia Halstead. Spectacular Science: A Book of Poems. Simon & Schuster Books for Young Readers, 1999.
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