APA

Budge Ian,, . (1988). The changing Briitsh politica system into the 1990s. London: Longman.

Chicago

Budge Ian,, . 1988. The changing Briitsh politica system into the 1990s. London: Longman.

Harvard

Budge Ian,, . (1988). The changing Briitsh politica system into the 1990s. London: Longman.

MLA

Budge Ian,, . The changing Briitsh politica system into the 1990s. London: Longman. 1988.