Schermerhorn, John R.
John Wiley & Sons, 2003
Buku Teks
McShane, Steven Lattimore
McGraw-Hill, 2003
Multimedia
Kreitner, Robert
McGraw-Hill, 2010
Buku Teks
Vecchio, Robert P.
Dryden Press, 1995
Buku Teks SO
Kreitner, Robert
McGrw-Hill , 2001
Buku Teks