McLean, Robert A., author
Delmar, 2003
Buku Teks
Duncan, W. Jack, author
Blackwell, 1995
Buku Teks
Goldsmith, Seth B., author
An Aspen, 1981
Buku Teks
Ginter, Peter M., author
Jossey-Bass, 2014
Buku Teks
Ginter, Peter M., author
Wiley, Hoboken, NJ., 2018
Buku Teks