Handelman, Howard
Pearson/Prentice Hall, 2006
Buku Teks
Gant, George F.
University of Wisconsin Press, 1979
Buku Teks
The United States-Indonesia Society, 1997
Buku Teks
Kautsky, John H.
Krieger Pub. Co, 1980
Buku Teks
Heeger, Gerald A.
Macmillan, 1974
Buku Teks