Schwedt, Georg, author
John Wiley & Sons, 2001
Buku Teks
Schwedt, Georg, author
John Wiley & Sons, 2001
Buku Referensi
Teh, Fu Yen, author
Prentice-Hall, 1999
Buku Teks
O`Neill, Peter, author
Champman & Hall, 1993
Buku Teks
Manahan, Stanley E., author
Willand Grand Press, [Date of publication not identified]
Buku Teks