Robbins, M. (2017). The 5 second rule: Transform your life, work, and confidence with everyday courage. Smashwords Edition.
Cita Chicago Style (17a ed.)Robbins, Mel. The 5 Second Rule: Transform Your Life, Work, and Confidence with Everyday Courage. Pacific Grove: Smashwords Edition, 2017.
Cita MLA (8a ed.)Robbins, Mel. The 5 Second Rule: Transform Your Life, Work, and Confidence with Everyday Courage. Smashwords Edition, 2017.
Precaución: Estas citas no son 100% exactas.