(1988). Study guide for use with economics of social issues.--Ed.8. Irwin.
芝加哥风格引文Study Guide for Use with Economics of Social Issues.--Ed.8. Illinois: Irwin, 1988.
MLA引文Study Guide for Use with Economics of Social Issues.--Ed.8. Irwin, 1988.
警告：这些引文格式不一定是100％准确.