Shackelford, James F., author
Prentice Hall International, 1996
Buku Teks
Ashby, M. F. (Michael F.), author
Prentice-Hall, 1976
Buku Teks
Budinski, Kenneth G., author
Prentice-Hall, 1999
Buku Teks
Budinski, Kenneth G., author
Pearson Education, 2002
Buku Teks
Klingenberg, Joseph J.
Reinhold Publishing & Co., 1965
Buku Teks