Schaefer, R. T. (2001). Race and ethnicity in the United States (2nd ed.). Prentice Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSchaefer, Richard T. Race and Ethnicity in the United States. 2nd ed. Upper Saddle River, N.J.: Prentice Hall, 2001.
एमएलए (8वां संस्करण) प्रशस्ति पत्रSchaefer, Richard T. Race and Ethnicity in the United States. 2nd ed. Prentice Hall, 2001.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.