Não informado. (1988). Journal of Research of the National Institute of Standards and Technology. National Institute of Standards and Technology.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Research of the National Institute of Standards and Technology. Gaithersburg, Md: National Institute of Standards and Technology, 1988.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Journal of Research of the National Institute of Standards and Technology. National Institute of Standards and Technology, 1988.
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