Chandra, Kanchan
Why ethnic parties succed
Cambridge University Press, 2004
 Buku Teks SO
Why governments grow : measuring public sector size
edited by Charles Lewis Taylor
Sage, 1983
 Buku Teks
Communist strategies in Asia: a comparative analysis of governments and parties
edited by A. Doak Barnett
Frederick A. Preager, 1963
 Buku Teks SO
Bindreiter, Uta
Why Grundnorm? : a treatise on the implications of Kelsen's doctrine
Kluwer Law International, 2002
 Buku Teks SO
Ludvigsen, Carole
Health care policies and Europe : the implications for practice
Butterworth-Heinemann, 1996
 Buku Teks