Powell, G. Bingham
Elections as instruments of democracy : majoritarian and proportional visions
Yale University Press, 2000
 Buku Teks SO
Bowler, Shaun
Demanding choices: opinion, voting, and direct democracy / Bowler Shaun and Donovan Todd;
The University of Michigan Press, 200
 Buku Teks SO
Yobel Manuel Oktapianus
Penerapan Prinsip Double Majority Vote melalui Peran DPD dalam Sistem Pengambilan Keputusan MPR terkait Pemberhentian Presiden dan/atau Wakil Presiden di Indonesia = Application of the Double Majority Vote Principle through the Role of the DPD in the MPR Decision-Making System in relation to the Dismissal of the President and/or Vice-President in Indonesia
Fakultas Hukum Universitas Indonesia, 2024
 UI - Skripsi Membership
Transisi menuju demokrasi, jilid 3 : Tinjauan berbagai perspektif = Transitions from authoritarian rule. Comparative perspectives
edited by Guillermo O`Donnell, Philippe C. Schmitter, and Laurence Whitehead
LP3ES , 1993
 Buku Teks SO
Transisi menuju demokrasi : Tinjauan berbagai perspektif
editor, Guillermo O`Donnell, Philippe C. Schmitter, and Laurence Whitehead; penerjemah, Ade Armando
LP3ES, 1993
 Buku Teks SO