Bowler, Shaun
The University of Michigan Press, 200
Buku Teks
Emerson, Peter
Springer, 2012
eBooks
Powell, G. Bingham, author
Yale University Press, 2000
Buku Teks
Fadilla Embun Firdausy, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2022
UI - Skripsi Membership
edited by Guillermo O`Donnell, Philippe C. Schmitter, and Laurence Whitehead
LP3ES , 1993
Buku Teks