Thornton, George C
Lawrence Erlbaum Associates, 2004
Buku Teks
Kolb, David A., author
Prentice-Hall, 1991
Buku Teks
Downey, H. Kirk
West Publishing, 1977
Buku Teks
Staw, Barry M., author
Macmillan, 1991
Buku Teks
Kolb, David A., author
Prentice-Hall, 1991
Buku Teks