Ramjohn, Mohamed
Cavendisch Publishing, 1998
Buku Teks
Youngs, Raymond, author
Cavendish, 1994
Buku Teks
Teo, Keang Sood, author
Butterworth, 1998
Buku Teks
Kala Anadarajah
Butterworth Asia, 1995
Buku Teks
Ryan, N.J
Oxford University Press, 1970
Buku Teks