Gaya APA
Klingemann, H, D., Hofferbert, R. (1994).
Parties, Policies, and Democracy .
United Kingdom:
Westview Press.
Gaya MLA
Klingemann, Hans, Dieter., Hofferbert, Richard.
"Parties, Policies, and Democracy".
United Kingdom:
Westview Press,
1994.
Texts.