Niskanen, William A.
Aldine - Atherton, 1971
Buku Teks
Amarendra Adhipangestu, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2013
UI - Skripsi (Membership)
Laski, Harold J., author
George Allen and Unwin, 1952
Buku Teks
Gallagher, Michael, author
McGraw-Hill, 2011
Buku Teks
Pitkin, Hanna Fenichel
University of California Press, 1967
Buku Teks