Crowley, James B., author
Princeton University Press, 1966
Buku Teks
Chapman, J.W.M., author
Frances Printer, 1983
Buku Teks
edited by Robert A. Scalapino
University of California Press, 1977
Buku Teks
Kajima, Morinosuke, author
Charles E. Tuttle, 1969
Buku Teks
Artikel Jurnal