Yu Dong-Su
Klocing = coaching
Hakjisa, 2011
 Buku Teks
Cook, Marshall J. ,author
Effective coaching
McGraw-Hill, 2011
 Buku Teks
COACHING & MENTORING
 Buku Teks
Ohai, Tim
Sales coaching
American Society for Training & Development, 2008
 eBooks
Chen, Chris W.
Coaching training
[American Society for Training and Development Press;, ], 2003
 eBooks