Baumgardner, S. R., & Crothers, M. K. (2009). Positive psychology. Prentice Hall.
Citación estilo ChicagoBaumgardner, Steve R., and Marie K. Crothers. Positive Psychology. Upper Saddle River, N.J.: Prentice Hall, 2009.
Cita MLABaumgardner, Steve R., and Marie K. Crothers. Positive Psychology. Prentice Hall, 2009.
Warning: These citations may not always be 100% accurate.