Martens, R. (2012). Successful coaching (Fourth edition.). Human Kinetics.
Cita Chicago (17th ed.)Martens, Rainer. Successful Coaching. Fourth edition. Champaign, IL: Human Kinetics, 2012.
Cita MLA (9th ed.)Martens, Rainer. Successful Coaching. Fourth edition. Human Kinetics, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.