Umegaki, Michio
New York University press, 1988
Buku Teks
Wataru, Masuda, author
Curzon, 2000
Buku Teks
Olson, Lawrence, author
American University FIeld Staff, 1963
Buku Teks
University of Arizon Press, 1966
Buku Teks
Scalapino, Robert A., author
University of California Press , 1967
Buku Teks