Ghazali Shafie
Dinamika Kreatif, 1978
Buku Teks
Ratnam, K. J.
University of Malaya Press, 1965
Buku Teks
edited by Abdul Razak Baginda
Malaysian Strategic Research Centre, 2009
Buku Teks
Mohd. Noor Yazid, author
Utusan Publications & Distributors, 2011
Buku Teks
Wariya, Chamil
Matrix Media global, 2010
Buku Teks