McGinnis, A. L. (1991). Confidence: How to succeed at being yourself. Kadena Press.
Cita Chicago (17th ed.)McGinnis, Allan Loy. Confidence: How to Succeed at Being Yourself. Quezon City: Kadena Press, 1991.
Cita MLA (9th ed.)McGinnis, Allan Loy. Confidence: How to Succeed at Being Yourself. Kadena Press, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.