Carnegie, D. (1956). How to develop self-confidence and influence people by public speaking. Pocket Books.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Carnegie, Dale. How to Develop Self-confidence and Influence People by Public Speaking. Delhi: Pocket Books, 1956.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Carnegie, Dale. How to Develop Self-confidence and Influence People by Public Speaking. Pocket Books, 1956.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.