Renfrew, Colin, author
Tames & Hudson, 2012
Buku Teks
Rosenne, Shabtai, author
Oceana Publications, 1984
Buku Referensi
Cozby, Paul C., author
McGraw-Hill, 2003
Buku Teks
Goldstein, Paul, author
Little, Brown and Company, 1994
Buku Teks
Bishop, Paul L.
McGraw-Hill , 2000
Buku Teks