edited by W. Lee Baldwin and W. David Maxwell
Lexington Books, 1975
Buku Teks
Bock, Edwin A.
Public Administration Clearing House , 1954
Buku Teks
American Council of Voluntary Agencies for Foreign Services, 1966
Buku Teks
McCormick, James M., author
Thomson, 2005
Buku Teks
Amuzegar, Jahangir
Praeger , 1966
Buku Teks