Ellis, T.M.R., author
Addison-Wesley Pub., 1982
Buku Teks
Khailany, Asad
Prentice-Hall, 1981
Buku Teks
Etter, Delores M. (Delores Maria), 1947-, author
Benjamin/Cummings, 1987
Buku Teks
Davis, Gordon B., author
McGraw-Hill, 1988
Buku Teks
Davis, Gordon B., author
McGraw-Hill, 1988
Buku Teks