Diana, author
Global Books, 1998
Buku Teks
Kingsland, Venika Mehra, author
Global Books , 1997
Buku Teks
Owen, D.R.J., author
UK Pineridge Press, 1980
Buku Teks
Raworth, Philip
Thomson Professional Publishing, 1991
Buku Teks
Fok-Spencer, Rebecca
Erlangga, 2007
Buku Teks