Amacom & Presidents Association. (1975). The chief executive office and its responsibilities: Presidents Association anthology. Amacom.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Amacom و Presidents Association. The Chief Executive Office and Its Responsibilities: Presidents Association Anthology. [New York]: Amacom, 1975.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Amacom و Presidents Association. The Chief Executive Office and Its Responsibilities: Presidents Association Anthology. Amacom, 1975.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.