(1981). An INTRODUCTION to the study of adult education: : a multi-disciplinary and cross-cultural approach for developing countries. University Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)An INTRODUCTION to the Study of Adult Education: : A Multi-disciplinary and Cross-cultural Approach for Developing Countries. University Press, 1981.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)An INTRODUCTION to the Study of Adult Education: : A Multi-disciplinary and Cross-cultural Approach for Developing Countries. University Press, 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.