Great lakes Press, 1996
Buku Teks
Lindeburg, Michael R.
Professional Publications, 2000
Buku Referensi
edited by Richard C. Tilton
McGraw-Hill, 1985
Buku Teks
Williams, Alan.
Engineering Press, 2000
Buku Referensi
by Samuel C. Brownstein [and others]
Barron's, 1994
Buku Teks