edited Lewis E. Weeks, Howard J. Berman, Gerald E. Bisbee
Health Administration Press, 1979
Buku Teks
edited by Andrew F. Long and Stephen Harrison
Croom Helm, 1985
Buku Teks
edited by L. Lynn Hogue
An Aspen Publication, 1980
Buku Teks
by Michael Cichon ... [and others]
International Labour Office, 1999
Buku Teks
Safian, Shelly C., author
Delmar, Cengage Learning, 2009
Buku Teks