Waldroop, J. (2000). The 12 Bad Habits. HarperCollins.
Citación estilo ChicagoWaldroop, James. The 12 Bad Habits. New York: HarperCollins, 2000.
Cita MLAWaldroop, James. The 12 Bad Habits. HarperCollins, 2000.
Warning: These citations may not always be 100% accurate.