Spencer, A. (2014). The happy life checklist: 654 simple ways to find your bliss (First edition.). Perigee Trade.
Cita Chicago Style (17a ed.)Spencer, Amy. The Happy Life Checklist: 654 Simple Ways to Find Your Bliss. First edition. New York, New York: Perigee Trade, 2014.
Cita MLA (8a ed.)Spencer, Amy. The Happy Life Checklist: 654 Simple Ways to Find Your Bliss. First edition. Perigee Trade, 2014.
Precaución: Estas citas no son 100% exactas.