Ackerman, C. E. (2018). My pocket positivity: Anytime exercises that boost optimism, confidence, and possibility. Adams Media.
Cita Chicago Style (17a ed.)Ackerman, Courtney E. My Pocket Positivity: Anytime Exercises That Boost Optimism, Confidence, and Possibility. New York [etc.]: Adams Media, 2018.
Cita MLA (9a ed.)Ackerman, Courtney E. My Pocket Positivity: Anytime Exercises That Boost Optimism, Confidence, and Possibility. Adams Media, 2018.
Precaución: Estas citas no son 100% exactas.