Progress Publishers, [date of publication not identified]
Buku Referensi
Greif, Avner, author
Cambridge University Press, 2005
Buku Teks
Janssen, Roger, author
KITLV Press , 2011
Buku Teks
Janssen, Roger
KITLV Press, 2011
Multimedia
Schmitt, Hans A.
Greenwood Press, 1962
Buku Teks