Buck, A.E.
Public Administration Service, 1949
Buku Teks
Freear, John
Accountancy Age Books, 1973
Buku Teks
McDaniels, John F.
The World Community Association, 1964
Buku Teks
Stoessinger, John G.
Brookings Institution, 1964
Buku Teks
edited Lewis E. Weeks, Howard J. Berman, Gerald E. Bisbee
Health Administration Press, 1979
Buku Teks