International Cooperation Administration by Council for Economic and Industry Research
[Publisher not identified], 1956
Buku Teks
Voisinet, Donald D.
Prentice-Hall, 1983
Buku Teks
Chorafas, Dimitris N.
Reinhold Publishing Corporation, 1958
Buku Teks SO
Cox, William E., Jr.
John Wiley, 1979
Buku Teks SO
Miller, David M.
John Wiley & Sons, 1990
Buku Teks SO