Acuff, F. L. (2008). How to negotiate anything with anyone anywhere around the world (3rd ed.). AMACOM/American Management Association.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Acuff, Frank L. How to Negotiate Anything with Anyone Anywhere Around the World. 3rd ed. New York: AMACOM/American Management Association, 2008.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Acuff, Frank L. How to Negotiate Anything with Anyone Anywhere Around the World. 3rd ed. AMACOM/American Management Association, 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.