New British political system & Budge, I. (1988). The changing British political system: Into the 1990s / Ian Budge...[et al] (2nd ed.).
Citazione stile Chigago Style (17a edizione)New British political system e Ian Budge. The Changing British Political System: Into the 1990s / Ian Budge...[et Al]. 2nd ed. Longman, 1988.
Citatione MLA (9a ed.)New British political system e Ian Budge. The Changing British Political System: Into the 1990s / Ian Budge...[et Al]. 2nd ed. 1988.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.