Baron, David P.
Prentice-Hall, 2000
Buku Teks
Forrer, John J., editor; Seyle, Conor, editor
Cambridge University Press, 2016
Buku Teks
Weiss, Joseph W., author
Berrett-Koehler, 2014
Buku Teks
Tucker, Edwin W.
Irwin, 1992
Buku Teks
Buchholz, Rogene A., author
Prentice-Hall, 1989
Buku Teks