Não informado. (1970). Management Education and Development. Association for Management Education and Development.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Não informado. Management Education and Development. Lancaster, Inglaterra: Association for Management Education and Development, 1970.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Não informado. Management Education and Development. Association for Management Education and Development, 1970.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.