Smith, P. C. (1974). Regional differences in characteristics of households, 1968-1973. s.n.].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSmith, Peter Colin. Regional Differences in Characteristics of Households, 1968-1973. [S.l: s.n.], 1974.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSmith, Peter Colin. Regional Differences in Characteristics of Households, 1968-1973. s.n.], 1974.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.