Wilkes, James O.
Prentice Hall Professional Technical Reference, 2006
Buku Teks
De Nevers, Noel, 1932-
McGraw-Hill, 1991
Buku Teks
De Nevers, Noel, 1932-
McGraw-Hill, 2005
Buku Teks
Walas, Stanley M.
McGraw-Hill, 1975
Buku Teks
edited by Robert H. Perry, Don W. Green and James O. Maloney
McGraw-Hill, 1997
Buku Referensi