Schermerhorn, John R., author
John Wiley & Sons, 1991
Buku Teks
Moorhead, Gregory, author
South-Western Cengage Learning, 2012
Buku Teks
George, Jennifer M., author
Prentice Hall,, 2002
Buku Teks
Tosi, Henry L., author
Longman, 1986
Buku Teks
Kreitner, Robert, author
McGrw-Hill , 2001
Buku Teks