APA

Merkl P. H., Merkl P. H., . (1980). Western European party systems. New York; London: Free Pr.; Collier Macmillan.

Chicago

Merkl Peter H, Merkl Peter H, . 1980. Western European party systems. New York; London: Free Pr.; Collier Macmillan.

Harvard

Merkl P. H., Merkl P. H., . (1980). Western European party systems. New York; London: Free Pr.; Collier Macmillan.

MLA

Merkl Peter H, Merkl Peter H, . Western European party systems. New York; London: Free Pr.; Collier Macmillan. 1980.