Não informado. (1965). International journal of powder metallurgy. American Powder Metallurgy Institute.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. International Journal of Powder Metallurgy. Baltimore, Md: American Powder Metallurgy Institute, 1965.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. International Journal of Powder Metallurgy. American Powder Metallurgy Institute, 1965.
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