Não informado. (1980). British Journal of Sociology of Education. Carfax Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. British Journal of Sociology of Education. Oxfordshire, Inglaterra: Carfax Publishing, 1980.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. British Journal of Sociology of Education. Carfax Publishing, 1980.
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