New British political system & Budge, I. (1988). The changing British political system: Into the 1990s / Ian Budge...[et al] (2nd ed.).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNew British political system और Ian Budge. The Changing British Political System: Into the 1990s / Ian Budge...[et Al]. 2nd ed. Longman, 1988.
एमएलए (9वां संस्करण) प्रशस्ति पत्रNew British political system और Ian Budge. The Changing British Political System: Into the 1990s / Ian Budge...[et Al]. 2nd ed. 1988.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.