Mottershead, Allen
Prentice-Hall, 1990
Buku Teks
Mottershead, Allen
Prentice Hall of India, 1985
Buku Teks
Floyd, Thomas L., author
Prentice-Hall, 2003
Buku Teks
Nilsson, James W. (James William), author
Harcourt, Brace & World, 1968
Buku Teks
Dorf, Richard C., author
Wiley, 1993
Buku Teks