edited by Abdul Razak Baginda
Malaysian Strategic Research Centre, 2009
Buku Teks
edited by Lam Seng Fatt
Kementerian Kebudayaan, Kesenian dan Warisan Malaysia, 2007
Buku Referensi
Sime Darby Berhad, 2007
Buku Referensi
Artikel Jurnal
British Council , 1998
Buku Teks