Kelsey, R. (2013). What's stopping you?: Being more confident : why smart people can lack confidence, and what you can do about it. Capstone.
Cita Chicago Style (17a ed.)Kelsey, Robert. What's Stopping You?: Being More Confident : Why Smart People Can Lack Confidence, and What You Can Do About It. Chichester, West Sussex: Capstone, 2013.
Cita MLA (9a ed.)Kelsey, Robert. What's Stopping You?: Being More Confident : Why Smart People Can Lack Confidence, and What You Can Do About It. Capstone, 2013.
Precaución: Estas citas no son 100% exactas.