Kay, K., & Shipman, C. (2014). The confidence code: The science and art of self-assurance-- what women should know (First edition.). HarperBusiness, an imprint of HarperCollinsPublishers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Kay, Katty, و Claire Shipman. The Confidence Code: The Science and Art of Self-assurance-- What Women Should Know. First edition. New York, NY: HarperBusiness, an imprint of HarperCollinsPublishers, 2014.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Kay, Katty, و Claire Shipman. The Confidence Code: The Science and Art of Self-assurance-- What Women Should Know. First edition. HarperBusiness, an imprint of HarperCollinsPublishers, 2014.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.