Shidle, N. G. (1965). The art of successful communication: Business and personal achievement through written communication. McGraw-Hill.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Shidle, Norman Glass. The Art of Successful Communication: Business and Personal Achievement Through Written Communication. New York: McGraw-Hill, 1965.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Shidle, Norman Glass. The Art of Successful Communication: Business and Personal Achievement Through Written Communication. McGraw-Hill, 1965.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.