Johnson, Chalmers, 1931-2010
Vakils, Feffer and Simons Private, 1966
Buku Teks
Moore, Wilbert E. (Wilbert Ellis)
Prentice-Hall, 1963
Buku Teks
edited by Warren G. Bennis
Holt, Rinehart and winston, 1976
Buku Teks
Kotter, John P., 1947-
Harvard Business School Press, 2002
Buku Teks
Kotler, John P.
Gramedia Pustaka Utama, 1997
Buku Teks