Carlson, Sune, author
Svenska Bokforlaget, 1964
Buku Teks
Kreinin, Mordechai E. (Mordechai Elihau), author
Praeger Inc, 1964
Buku Teks
Poats, Rutherford M.
Brookings Institution , 1972
Buku Teks
White, John, author
The Overseas Development Institute, 1967
Buku Teks
Berliner, Joseph S.
Frederick A.Praeger , 1958
Buku Teks