Waitley, Denis
Le zai gongzuo = Music at work = 樂在工作 = joy of working
Tianxia Wenhua Chuban, 1983
 Buku Teks
Walker, Hilary
Studying for your social work degree
Learning Matters Ltd., 2008
 Buku Teks
Stevens, R. Paaul
Taking your soul to work: bawa jiwa anda ke tempat kerja: mengatasi sembilan dosa maut di tempat kerja
Literature Perkantas IKAPI, 2012
 Buku Teks
Lehrer, Robert N.
Participative productivity and quality of work life
Prentice-Hall, 1982
 Buku Teks
Lehrer, Robert N.
Participative productivity and quality of work life
Prentice-Hall, 1982
 Buku Teks