Não informado. (1985). Index to Scientific Book Contents. Institute for Scientific Information.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Index to Scientific Book Contents. Philadelphia, Pa: Institute for Scientific Information, 1985.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Index to Scientific Book Contents. Institute for Scientific Information, 1985.
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