Baird, Colin
WH Freeman, 2001
Buku Teks
Manahan, Stanley E.
Willand Grand Press, [Date of publication not identified]
Buku Teks
O`Neill, Peter
Champman & Hall, 1993
Buku Teks
Manahan, Stanley E.
Lewis Publisher, 1994
Buku Teks
Sawyer, Clair N.
McGraw-Hill, 2003
Buku Teks