Rewards/Loyalty

1001 Ways to Reward Employees by Bob Nelson, Ken Blanchard

1001 Ways to Energize Employees by Bob Nelson, Burton Morris (Illustrator), Ken Blanchard

Punished by Rewards:  The Trouble with Gold Stars... by Alfie Kohn

Lean & Meaningful by Roger E. Herman and Joyce L. Gioia

Keeping Good People by Roger E. Herman