Dorf, Richard C., author
Pearson Prentice Hall, 2005
Buku Teks
Dorf, Richard C., author
Addison-Wesley Publishing House, 1990
Buku Teks
Phillips, Charles L., author
Prentice-Hall, 1988
Buku Teks
Vande Vegte, J. (John), author
Prentice-Hall, 1986
Buku Teks
Phillips, Charles L., author
Prentice-Hall, 1996
Buku Teks