compiled by Michael and Irene Ash
Gower, 1995
Buku Referensi
Bernard, Theos
Philosopical Library , 1947
Buku Teks
Kasi, N.M.
International Association of Historians of Asia (IAHA), 1974
Buku Teks
Artikel Jurnal
editor in-chief, John E. Jessup and Louise B. Ketz
Charles Scribner`s Sons, 1994
Buku Referensi