Stainton, R.S., author
Bumi Aksara, 1990
Buku Teks
Fabrycky, W.J.
Prentice-Hall, 1972
Buku Teks
Makower, M.S., author
Butles and Tanner , 1970
Buku Teks
Johnson, David E., author
Prentice-Hall, 1982
Buku Teks
Roman, Daniel D.
Prentice-Hall, 1968
Buku Teks