Smellie, Kingsley Bryce, 1897-1987
A Hundred Years of English Government / Kingsley Bryce Smellie
Gerald Duckworth & Co,LTD, 1950
 Buku Teks
Gilang Esa Mohamad
Pengaruh Posisi Tawar Fahri Hamzah Terhadap Partai Keadilan Sejahtera (PKS) Dalam Kasus Penolakan Pemecatan Dirinya Oleh DPR-RI Tahun 2016 = The Influence of Fahri Hamzah's Bargaining Position Towards Partai Keadilan Sejahtera (PKS) in the Case of His Dimissal From DPR-RI in 2016
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2019
 UI - Tugas Akhir
Stout, Hiram Miller
British government
Oxford University Press, 1953
 Buku Teks
Maor, Moshe
Political parties and party systems : comparative approaches and the british experience
Routledge, 1997
 Buku Teks
Burns, James McGregor
Government by the people
Prentice-Hall, 1972
 Buku Teks