Chamil Wariya, author
MPH Group Publishing Sdn Bhd, 2009
Buku Teks
Paridah Abd. Samad, author
Partisan, 2010
Buku Teks
Chamil Wariya, author
Media Global Matrix, 2009
Buku Teks
Paridah Abd. Samad, author
Partisan, 2010
Buku Teks
MPH Group , 2010
Buku Referensi