American Enterprise Institute for Public Policy Research, 1979
Buku Teks
Polsby, Nelson W.
Charles Scribner`s Sons, 1964
Buku Teks
editor, Paul Boyer
Ivan R. Dee, 1900
Buku Referensi
Polsby, Nelson W.
Charles Scribner's Sons, 1980
Buku Teks
Tampubolon, Murlania
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2004
UI - Skripsi (Membership)