Norton`s, Peter, author
McGraw-Hill , 2006
Buku Teks
Davis, Gordon B., author
McGraw-Hill, 1977
Buku Teks
Long, Larry E., author
Prentice-Hall, 1994
Buku Teks
Sanders, Donald H., author
McGraw-Hill, 1979
Buku Teks
O`Brien, James A., 1936-, author
Richard D. Irwin, 1975
Buku Teks