Havet, J. (1978). Main trends of research in the social and human sciences. Mouton/Unesco.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHavet, Jacques. Main Trends of Research in the Social and Human Sciences. Paris [u.a.]: Mouton/Unesco, 1978.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHavet, Jacques. Main Trends of Research in the Social and Human Sciences. Mouton/Unesco, 1978.
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