(1993). Economics Ed.10 /Richard G. Lipsey Et Al. HarperCollins.
Chicago Style (17th ed.) CitationEconomics Ed.10 /Richard G. Lipsey Et Al. HarperCollins, 1993.
MLA引文Economics Ed.10 /Richard G. Lipsey Et Al. HarperCollins, 1993.
警告：这些引文格式不一定是100％准确.