Copeland, Robert Allen
Chapman & Hall, 1993
Buku Teks
Sawyer, Donald T.
John Wiley & Sons, 1984
Buku Teks
Reilley, Charles N.
McGraw-Hill, 1961
Buku Referensi
Bothwell, Al
Jones and Bartlett Pub., 1990
Buku Teks
McClintock, J. Thomas
CRC Press, Taylor & Francis Group, 2008
Buku Teks