Não informado. (1957). Science world: The magazine for high-school science students. Scholastic Magazines.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Science World: The Magazine for High-school Science Students. New York: Scholastic Magazines, 1957.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Science World: The Magazine for High-school Science Students. Scholastic Magazines, 1957.
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