New British political system & Budge, I. (1988). The changing British political system: Into the 1990s / Ian Budge...[et al] (2nd ed.).
Chicago-viite (17. p.)New British political system ja Ian Budge. The Changing British Political System: Into the 1990s / Ian Budge...[et Al]. 2nd ed. Longman, 1988.
MLA-viite (9. p.)New British political system ja Ian Budge. The Changing British Political System: Into the 1990s / Ian Budge...[et Al]. 2nd ed. 1988.
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