WOLL, P. (1982). Constitutional democracy: Policies and politics. Little Brown.
Chicago Style (17th ed.) ZitazioaWOLL, Peter. Constitutional Democracy: Policies and Politics. Boston: Little Brown, 1982.
MLA (9th ed.) ZitazioaWOLL, Peter. Constitutional Democracy: Policies and Politics. Little Brown, 1982.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.