Gomez-Mejia, Luis R.
Prentice-Hall, 1995
Buku Teks
Westerman, John
Bumi Aksara, 1989
Buku Teks
Arthur, Diane
American Management Association, 1995
eBooks
Greenlaw, Paul S.
Harper & Row, 1986
Buku Teks
Jackson, Susan E.
South Westh Western College, 2000
Buku Teks