Robbins, Stephen P., author
Pearson, 2017
Buku Teks
Kreitner, Robert, author
McGrw-Hill , 2001
Buku Teks
Staw, Barry M., author
Macmillan, 1991
Buku Teks
Burn, Bonnie
John Wiley & Sons, 2001
Multimedia
Filley, Alan C., author
Scott, Foresman, 1969
Buku Teks