Wilkes, James O.
Prentice Hall Professional Technical Reference, 2006
Buku Teks
De Nevers, Noel, 1932-
McGraw-Hill, 2005
Buku Teks
De Nevers, Noel, 1932-
McGraw-Hill, 1991
Buku Teks SO
Fox, J.A.
Macmillan, 1977
Buku Teks SO
De Nevers, Noel, 1932-
Addison-Wesley, 1970
Buku Teks SO