Não informado. (1976). Netherlands journal of sociology. Netherlands Sociological and Anthropological Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Netherlands Journal of Sociology. Assen, Holanda: Netherlands Sociological and Anthropological Society, 1976.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Netherlands Journal of Sociology. Netherlands Sociological and Anthropological Society, 1976.
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