WOLL, P. (1982). Constitutional democracy: Policies and politics. Little Brown.
Cita Chicago (17th ed.)WOLL, Peter. Constitutional Democracy: Policies and Politics. Boston: Little Brown, 1982.
Cita MLA (9th ed.)WOLL, Peter. Constitutional Democracy: Policies and Politics. Little Brown, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.