Hughes, Fredrick W., author
Prentice-Hall, 1983
Buku Referensi
Hughes, Fredrick W., author
Prentice-Hall, 1983
Buku Referensi
Douglas-Young, John, author
Prentice-Hall, 1983
Buku Referensi
Bapat, Y.N., author
Tata McGraw-Hill, 1978
Buku Teks
Pederson, Donald O., author
McGraw-Hill, 1966
Buku Teks