MPH Group , 2010
Buku Referensi
Datuk Zulkefli Salleh, author
Pertubuhan Berita Nasional Malaysia, 2011
Buku Referensi
Wong, Sulong, author
MPH Group Publishing Sdn Bhd, 2011
Buku Teks
Djuanda
Ministry of Information Republik of Indonesia, [date of publication not identified]
Buku Teks
Paridah Abd. Samad, author
Partisan, 2010
Buku Teks