Corwin, Edward S.
New York University Press, 1956
Buku Teks
Schubert, Glendon A., Jr
University of Minnesota Press, 1956
Buku Teks
Rossiter, Clinton, 1917-1970
The American Library, 1960
Buku Teks
Makarim Wibisono [and others]
The Permanent Mission of the Repubilc of Indonesia to the Uniterd Nations, 2001
Buku Teks
Longaker, Richard P.
Cornell University Press, 1962
Buku Teks