Political Studies Association of the United Kingdom. Political studies. Butterworth Scientific Ltd. [e.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPolitical Studies Association of the United Kingdom. Political Studies. Guildford: Butterworth Scientific Ltd. [e.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPolitical Studies Association of the United Kingdom. Political Studies. Butterworth Scientific Ltd. [e.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.