Mandl, Matthew
Reston Publishing Company, 1980
Buku Referensi
edited by Jerry C. Whitaker
CRC Press, 2002
Buku Referensi
Williams, Arthur Bernard, 1940-
McGraw-Hill, 1981
Buku Referensi
Williams, Arthur Bernard, 1940-
McGraw-Hill, 1995
Buku Referensi
Haines, Roger W.
McGraw-Hill, 2010
Buku Teks