Schaefer, R. T. (1988). Racial and ethnic groups (3ª ed.). Scott, Foresman.
Chicagoスタイル(17版)引用形式Schaefer, Richard T. Racial and Ethnic Groups. 3ª ed. Scott, Foresman, 1988.
MLA(9版)引用形式Schaefer, Richard T. Racial and Ethnic Groups. 3ª ed. Scott, Foresman, 1988.
警告: この引用は必ずしも正確ではありません.