Salleh Buang.
Tun Suffian Foundation, Faculty of Law, University of Malaya , 2007
Buku Teks
Oodan, Anthony, author
Institution of Engineering and Technology, 2009
eBooks
Johnson, Carol, author
Allen and Unwin, 1989
Buku Teks
Zainah Anwar, author
Yayasan Mohamed Noah; Petaling Jaya, Selangor, Malaysia , 2011
Buku Referensi
Klaveness, Jan O`Donnell, author
Macmillan, 1983
Buku Teks