Furth, Gregg M., author
University of Toronto, 2002
Buku Teks
Stitt, Fred A., author
McGraw-Hill, [date of publication not identified]
Buku Teks
Allen, Edward, author
Wiley, 1993
Buku Teks
Dowding, Charles H., author
Prentice-Hall, 1996
Buku Teks
Bellis, Herbert F., author
McGraw-Hill, c1978
Buku Teks