David Rusman
On higher education: the Academic enterprice in an era of rising student consumcrism/David Riesman
Jossy-Bass, 1980
 Buku Teks
Fincher, E. B.
The President of the United States
Abelard-Schuman, 1955
 Buku Teks
Muhammad Zainor Ridho
Kiai dan politik: pengaruh Kiai Langitan pada pemilihan presiden langsung 2004 di Kecamatan Widang Kabupaten Tuban Jawa Timur = Kiai and politics: influence of Kiai Langitan on direct elections of president 2004 in Widang Tuban East Java
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2006
 UI - Tesis (Membership)
Gorman, Jack
Pere murray and the hounds / Jack Gorman
Grays Publishing, 1977
 Buku Teks
Sayre, Wallace S.
Voting for President : the electoral college and the American political system / Wallace S. Sayre
Brookings Institution, 1970
 Buku Teks