Aspen Systems Corp, 1983
Buku Teks
Cushman, Robert F., author
An Aspen Publication, 1983
Buku Teks
Arnold , 1996
Buku Teks
Humana Press, 1995
Buku Teks
edited Lewis E. Weeks, Howard J. Berman, Gerald E. Bisbee
Health Administration Press, 1979
Buku Teks