Roberts, G. K., & Hogwood, P. (2003). The politics today companion to West European politics. Manchester University Press.
Cita Chicago (17th ed.)Roberts, Geoffrey K., i Patricia Hogwood. The Politics Today Companion to West European Politics. Manchester ; New York: Manchester University Press, 2003.
Cita MLA (9th ed.)Roberts, Geoffrey K., i Patricia Hogwood. The Politics Today Companion to West European Politics. Manchester University Press, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.