Cita APA (7a ed.)

American Society for Training and Development Content Provider & Oberstein, S. A. (2009). 10 steps to successful coaching (1st edition.). ASTD Press.

Cita Chicago Style (17a ed.)

American Society for Training and Development Content Provider y Sophie Author Oberstein. 10 Steps to Successful Coaching. 1st edition. [Place of publication not identified]: ASTD Press, 2009.

Cita MLA (9a ed.)

American Society for Training and Development Content Provider y Sophie Author Oberstein. 10 Steps to Successful Coaching. 1st edition. ASTD Press, 2009.