Baer, Gabriel
Frederick A. Praeger, 1966
Buku Teks
A. Mukti Ali, author
Djambatan, 1995
Buku Teks
Cleveland, William L., author
Westview Press , 2004
Buku Teks
edited by Reeva S. Simon, Philip Mattar and Richard W. Bulliet
Macmillan, 1996
Buku Referensi
edited by Reeva S. Simon, Philip Mattar, Richard W. Bulliet
Macmillan, 1996
Buku Referensi