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
Miller, David M.
John Wiley & Sons, 1990
Buku Teks
Eldridge, John
Harvester Wheatsheaf , 1991
Buku Teks