Institute of Management Services. (1976). Management Services. Institute of Practitioners in Work Study, Organization and Methods.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Institute of Management Services. Management Services. London: Institute of Practitioners in Work Study, Organization and Methods, 1976.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Institute of Management Services. Management Services. Institute of Practitioners in Work Study, Organization and Methods, 1976.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.