Halm, George N., author
University of North-Carolina Press, 1945
Buku Teks
Bank Indonesia , 1995
Buku Teks
Toobin, Jeffrey, author
Doubleday, 2012
Buku Teks
Kingdon, Frank, author
Arco Publishing, 1944
Buku Teks
Schlesinger, Arthur Meier, author
Fawcett Publications, 1965
Buku Teks