McCarthy, Joseph G
Springer-Verlag, 1999
Buku Teks
Pine Forge Press, 1996
Buku Teks
Development Assistance, [date of publication not identified]
Buku Teks
Stoltz, Paul G.
Jakarta Grasindo 2000,
Buku Teks
Klausuer, Joseph
George Allen and Unwin, 1946
Buku Teks