Senelick, Richard C.
Contemporary Books , 1994
Buku Teks
Day, John L.
John Wiley & Sons, 2002
Buku Teks
Rosenfeld, Isadore, author
Random House, 1996
Buku Referensi
Bull, Eleanor
Erlangga, 2007
Buku Teks
Ko, Andrew H., author
Andrew, Mc Meel Publishing, LLC, 2002
Buku Teks