Garvey, George E., author
Greenwood Press, 1990
Buku Teks
Haitani, Kanji
D.C. Heath and Company, 1976
Buku Teks
Baerwald, Friedrich
Fordham University Press, 1960
Buku Klasik
Mubyarto, author
Gadjah Mada University Press , 1985
Buku Teks
Fallows, James
Pantheon Books, 1994
Buku Teks