United States. Census Office. 7th Census, 1850, & Maine State Archives. (1980). Census schedules for agriculture, industry & social statistics, [1850, Maine]. Maine State Archives.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited States. Census Office. 7th Census, 1850, और Maine State Archives. Census Schedules for Agriculture, Industry & Social Statistics, [1850, Maine]. [Augusta, Me.]: Maine State Archives, 1980.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUnited States. Census Office. 7th Census, 1850, और Maine State Archives. Census Schedules for Agriculture, Industry & Social Statistics, [1850, Maine]. Maine State Archives, 1980.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.