Buckley, Charles Burton, author
University of Malaya Press, 1969
Buku Teks
Abdulalh Hussain, author
Pustaka Nasional, 1967
Buku Teks
Turnbull, C. M. (Constance Mary), author
Oxford University Press, 1985
Buku Teks
Reference Service Division. National Library Singapore, 1984
Buku Referensi
Djamal Tukimin
Haji Hashim, 2003
Buku Teks