Kolko, G. (1876). Main currents in modern American history. Harper and Row Publishers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKolko, Gabriel. Main Currents in Modern American History. Harper and Row Publishers, 1876.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKolko, Gabriel. Main Currents in Modern American History. Harper and Row Publishers, 1876.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.