E. YU, author
MPH Group Publishing Sdn Bhd, 2008
Buku Teks
Yu, E.
MPH Group Publishing Sdn Bhd, 2008
Buku Teks
MPH Group , 2010
Buku Referensi
Chamil Wariya, author
MPH Group Publishing Sdn Bhd, 2009
Buku Teks
Chamil Wariya, author
Media Global Matrix, 2009
Buku Teks