Não informado. (1972). Higher Education: An international journal of higher education and educational planning. Elsevier Science Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Higher Education: An International Journal of Higher Education and Educational Planning. Amsterdam: Elsevier Science Publishers, 1972.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Higher Education: An International Journal of Higher Education and Educational Planning. Elsevier Science Publishers, 1972.
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