Drucker, Vanessa
Winner takes all
Crown, 1990
 Buku Teks SO
The population dilemma
edited by Philip M. Hauser
Prentice-Hall, 1963
 Buku Teks SO
The population dilemma
edited by Philip M. Hauser
Prentice-Hall, 1969
 Buku Teks SO
Mahathir bin Mohamad, 1925-
The Malay dilemma
Federal Publications SDW BHD, 1981
 Buku Teks SO
Baker, Nicholson
Double fold : libraries and the assault on paper
Random House, 2001
 Buku Teks