"Dewar, H. (1976). Communist politics in Britain: The CPGB from its origins to the second world war. Pluto press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"Dewar, Hugo". Communist Politics in Britain: The CPGB from Its Origins to the Second World War. Pluto press, 1976.
एमएलए (9वां संस्करण) प्रशस्ति पत्र"Dewar, Hugo". Communist Politics in Britain: The CPGB from Its Origins to the Second World War. Pluto press, 1976.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.