Brinkman, Rick
Dealing with difficult people: 24 lessons for bringing out the best in everyone
McGraw-Hill, 2003
 Buku Teks SO
Daniels, Aubrey C.
Maximum performance: sistem motivasi terbaik bagi kinerja karyawan=Bringing out the best in people
Bhuana Ilmu Populer, 2005
 Buku Teks SO
Barrow, Simon
The employer brand : Bringing the best of brand management to people at work
John Wiley & Sons, 2006
 Buku Teks SO
Lubis, Anqi Querida
The Effectiveness of positive reinforcement towards completion of a time-based task = Efektivitas positive reinforcement terhadap penyelesaian tugas berbasis waktu
2020
 UI - Makalah dan Kertas Kerja
Weisinger, Hendrie
The power of positive criticism
American Management Association, 2000
 eBooks