Cooper, Robert K., author
Gramedia Pustaka Utama, 1998
Buku Teks
Cooper, Robert K., author
Gramedia Pustaka Utama, 2000
Buku Teks
Veithzal Rivai Zainal, author
Rajawali, 2013
Buku Teks
Diana Mutiah, author
Fakultas Psikologi Universitas Indonesia, 2004
UI - Tesis (Membership)
Yukl, Gary A., 1940-, author
Prenhallindo , 1998
Buku Teks