Robbins, M. (2017). The 5 second rule: Transform your life, work, and confidence with everyday courage. Smashwords Edition.
Style de citation Chicago (17e éd.)Robbins, Mel. The 5 Second Rule: Transform Your Life, Work, and Confidence with Everyday Courage. Pacific Grove: Smashwords Edition, 2017.
Style de citation MLA (8e éd.)Robbins, Mel. The 5 Second Rule: Transform Your Life, Work, and Confidence with Everyday Courage. Smashwords Edition, 2017.
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