Chamil Wariya
MPH Group Publishing Sdn Bhd, 2009
Buku Teks SO
Shariff, Datin Omi Habibah
Ketua Pengarah Jabatan Penerangan Malaysia, 2010
Buku Teks SO
Chamil Wariya
Media Global Matrix, 2009
Buku Teks SO
Hassan, Mohd. Yusof
Malaysia, 2009
Buku Referensi
editor, Datin Omi Habibah Shariff
Director-General Information Department of Malaysia, 2011
Buku Teks