Não informado. (1986). Performance Chemicals. Reed Business Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Performance Chemicals. Surrey, Inglaterra: Reed Business Publishing, 1986.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Performance Chemicals. Reed Business Publishing, 1986.
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