Apter, David E.
Jakarta LP3ES 1996,
Buku Teks
New York : American Political Science Association
Majalah, Jurnal, Buletin
New York : Academy of Political Science
Majalah, Jurnal, Buletin
Kneen, Peter
University of New York Press, 1984
Buku Teks
Moscow : Union of Soviet Socialist Republics
Majalah, Jurnal, Buletin