Kromkowski, J. Race and ethnic relations (9th ed.). Dushkin Pub. Group.
芝加哥风格引文Kromkowski, John. Race and Ethnic Relations. 9th ed. Guilford, Conn.: Dushkin Pub. Group.
MLA引文Kromkowski, John. Race and Ethnic Relations. 9th ed. Dushkin Pub. Group.
警告：这些引文格式不一定是100％准确.