Berry, B., & Tischler, H. L. (1978). Race and ethnic relations (4th ed.). Houghton Mifflin.
Dyfyniad Arddull ChicagoBerry, Brewton, and Henry L. Tischler. Race and Ethnic Relations. 4th ed. Boston: Houghton Mifflin, 1978.
Dyfyniad MLABerry, Brewton, and Henry L. Tischler. Race and Ethnic Relations. 4th ed. Houghton Mifflin, 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.