Marion, Jerry B.
Saunders College, 1982
Buku Teks
Diebold, William
Published for the Council on Foreign Relations by Harper, 1952
Buku Teks
Leur, J. C. van (Jacob Cornelis), 1908-1942
W. Van Hoeve Publishers, 1967
Buku Teks
Cummings, Thomas G., 1944-, author
CT Cengage Learning, 2015
Buku Teks
Remer, C.F.
The Johns Hopkins Press, 1933
Buku Teks
Hewett, Robert B.
Honolulu, Hawaii Pacific Forum c.1981,
Buku Teks