Lauer, R. H. (1998). Social problems and the quality of life (7th ed.).
芝加哥风格引文Lauer, Rober H. Social Problems and the Quality of Life. 7th ed. McGraw-Hill, 1998.
MLA引文Lauer, Rober H. Social Problems and the Quality of Life. 7th ed. 1998.
警告：这些引文格式不一定是100％准确.