APA aipamena

Schaefer, R. T. (2009). Race and ethnicity in the United States. Upper Saddle River: Pearson Prentice Hall.

Chicago Style aipamena

Schaefer, Richard T. Race and Ethnicity in the United States. Upper Saddle River: Pearson Prentice Hall, 2009.

MLA aipamena

Schaefer, Richard T. Race and Ethnicity in the United States. Upper Saddle River: Pearson Prentice Hall, 2009.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.