O'Connor, J., & Lages, A. (2007). How coaching works: The essential guide to the history and practice of effective coaching (1. publ.). A. & C. Black.
Chicago-Zitierstil (17. Ausg.)O'Connor, Joseph, und Andrea Lages. How Coaching Works: The Essential Guide to the History and Practice of Effective Coaching. 1. publ. London: A. & C. Black, 2007.
MLA-Zitierstil (9. Ausg.)O'Connor, Joseph, und Andrea Lages. How Coaching Works: The Essential Guide to the History and Practice of Effective Coaching. 1. publ. A. & C. Black, 2007.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.