Schaefer, R. T. (1988). Racial and ethnic groups (3rd ed.). Scott, Foresman.
Chicago-viite (17. p.)Schaefer, Richard T. Racial and Ethnic Groups. 3rd ed. Glenview, Ill.: Scott, Foresman, 1988.
MLA-viite (8. p.)Schaefer, Richard T. Racial and Ethnic Groups. 3rd ed. Scott, Foresman, 1988.
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