Hacker, Louis M., author
Appleton-Century-Crofts, 1949
Buku Teks
Krout, John A., author
Barnes & Noble, 1962
Buku Teks
Curtis, William J.R., author
Prentice-Hall, 1996
Buku Teks
Brooker, Graeme, author
Laurence King, 2013
Buku Referensi
Brachet, Michelle, author
Ruckus Books, 2014
Buku Referensi