Liu, Cheng
Pearson/Prentice Hall, 2005
Buku Teks
Schroeder, W.L.
John Wiley & Sons, 1984
Buku Teks SO
Liu, Cheng
Prentice-Hall, 1981
Buku Teks SO
Pavlik, Cheryl
[Publisher not identified], [Date of publication not identified]
Buku Teks
Bowles, Joseph E.
McGraw-Hill, 1979
Buku Teks