Bohlander, George W., author
Thomson, 2004
Buku Teks
Hunsaker, Phillip L., author
A Touchstone Book, 1986
Buku Teks
Hinrichs, John R., author
American Management Association, 1966
Buku Teks
McGraw-Hill, 1952
Buku Teks
Cascio, Wayne F., author
McGraw-Hill, 1989
Buku Teks