Kreinin, Mordechai E. (Mordechai Elihau), author
Praeger Inc, 1964
Buku Teks
National Planning Association, 1956
Buku Teks
Poats, Rutherford M.
Brookings Institution , 1972
Buku Teks
Neal, Ernest E.
Agency for International Development, 1972
Buku Teks
Pronk, Jan P., author
Yayasan Obor Indonesia, 1993
Buku Teks