APA
CoachVille.com, . (2003). The coaching starter kit. New York: W. W. Norton.
Chicago
CoachVille.com, . 2003. The coaching starter kit. New York: W. W. Norton.
Harvard
CoachVille.com, . (2003). The coaching starter kit. New York: W. W. Norton.
MLA
CoachVille.com, . The coaching starter kit. New York: W. W. Norton. 2003.