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