APA aipamena

Schaefer, R. T. (1988). Racial and ethnic groups (3ª ed.). Scott, Foresman.

Chicago Style aipamena

Schaefer, Richard T. Racial and Ethnic Groups. 3ª ed. Scott, Foresman, 1988.

MLA aipamena

Schaefer, Richard T. Racial and Ethnic Groups. 3ª ed. Scott, Foresman, 1988.

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