Não informado. (1972). Higher Education: An international journal of higher education and educational planning. Elsevier Science Publishers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Higher Education: An International Journal of Higher Education and Educational Planning. Amsterdam: Elsevier Science Publishers, 1972.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Higher Education: An International Journal of Higher Education and Educational Planning. Elsevier Science Publishers, 1972.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.