SCHAEFER, R. T. Racial and ethnic groups.-- ed.2. Litle.
Chicago-čujuhus (17. p.)SCHAEFER, Richard T. Racial and Ethnic Groups.-- Ed.2. Boston: Litle.
MLA-čujuhus (9. p.)SCHAEFER, Richard T. Racial and Ethnic Groups.-- Ed.2. Litle.
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