Griffin, John I., author
City College Press, 1956
Buku Teks
edited by John W. Wrigth
Penguin Group, 2003
Buku Referensi
edited by Robin Middleton
MIT Press, 1996
Buku Teks
Wakita, Osamu A., author
John Wiley & Sons, 1977
Buku Teks
Goodban, William T., author
McGraw-Hill, 1979
Buku Teks