Não informado. (1972). Higher Education: An international journal of higher education and educational planning. Elsevier Science Publishers.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Higher Education: An International Journal of Higher Education and Educational Planning. Amsterdam: Elsevier Science Publishers, 1972.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Higher Education: An International Journal of Higher Education and Educational Planning. Elsevier Science Publishers, 1972.
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