Intermediate Microeconomics: A Modern Approach, 9th Edition (9th ed.).
芝加哥风格引文Intermediate Microeconomics: A Modern Approach, 9th Edition. 9th ed.
MLA引文Intermediate Microeconomics: A Modern Approach, 9th Edition. 9th ed.
警告：这些引文格式不一定是100％准确.
APA引文