Leong, Wai Kum
Butterworths Asia, 1997
Buku Teks
Parkinson, Patrick, author
Cambridge University Press, 2011
Buku Teks
Arshad, Raffia, author
Thomson Reuters, 2010
Buku Teks
Collier, Richard, 1961-, author
Routledge, 1995
Buku Teks
Secretary of State forInformation and Tourism, 1973
Buku Teks