Berry, B., & Tischler, H. L. (1978). Race and ethnic relations (4th ed.). Houghton Mifflin.
Cita Chicago (17th ed.)Berry, Brewton, i Henry L. Tischler. Race and Ethnic Relations. 4th ed. Boston: Houghton Mifflin, 1978.
Cita MLA (8th ed.)Berry, Brewton, i Henry L. Tischler. Race and Ethnic Relations. 4th ed. Houghton Mifflin, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.