APA
Waldroop J., Butler T., . (2001). 12 bad habits that hold good people back. New York: Currency Book.
Chicago
Waldroop James, Butler Timothy, . 2001. 12 bad habits that hold good people back. New York: Currency Book.
Harvard
Waldroop J., Butler T., . (2001). 12 bad habits that hold good people back. New York: Currency Book.
MLA
Waldroop James, Butler Timothy, . 12 bad habits that hold good people back. New York: Currency Book. 2001.