Burch, John G., author
John Wiley & Sons, 1978
Buku Teks
Peterson, Larry L., author
Morgan Kaufmann Publisher, 2007
Buku Teks
Koren, Yoram, author
McGraw-Hill, 1983
Buku Teks
Olsson, Gustaf, author
Prentice-Hall, 1992
Buku Teks
Wilson, R. M. S., author
McGraw-Hill, 1974
Buku Teks