(1993). 1990 census of population and housing. [electronic resource]. Summary tape file 3B.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र1990 Census of Population and Housing. [electronic Resource]. Summary Tape File 3B. 1993.
एमएलए (9वां संस्करण) प्रशस्ति पत्र1990 Census of Population and Housing. [electronic Resource]. Summary Tape File 3B. 1993.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.