Ishido, Ellchiro
University of Tokyo press, 1974
Buku Teks SO
Dore, Ronald
George Allen and Unwin, 1973
Buku Teks SO
Hacker, Andrew
McGraw-Hill, 1973
Buku Teks SO
Wolters, Oliver William
Cornell University Press, 1967
Buku Teks SO
Suenobu, Mineo
Kobe University of Commerce, 1999
Buku Teks SO