Harman, Willis, author
Berrett-Koehler , 1998
Buku Teks
Rahmawati, author
2018
UI - Skripsi (Membership)
McRobert, Kenneth
McClelland and stewart, 1976
Buku Teks
edited by George K. Zollschan and Walter Hirsch
Halsted Press, 1976
Buku Teks
edited by Warren G. Bennis, Kenneth D. Benne and Robert Chin
Holt, Rinehart and Winston 1961, 1961
Buku Teks