Barber, Alfred W.
Parker, 1976
Buku Teks
DeMassa, Thomas A., author
John Wiley & Sons, 1996
Buku Teks
Kasper, Joseph E., author
Prentice-Hall, 1983
Buku Teks
Hodges, David A., author
McGraw-Hill, 1983
Buku Teks
Hodges, David A., author
McGraw-Hill, 1988
Buku Teks