APA引文

Samuelson,Paul A. (2010). Economics (19th.). McGraw Hill Education.

芝加哥风格引文

Samuelson,Paul A. Economics. 19th. New York: McGraw Hill Education, 2010.

MLA引文

Samuelson,Paul A. Economics. 19th. McGraw Hill Education, 2010.

警告：这些引文格式不一定是100％准确.