APA引文

Samuelson. Paula & William D. Nordhaus. (2010). Economics (Nineteenth Edition.). The Mc Graw Hill.

芝加哥风格引文

Samuelson. Paula 与 William D. Nordhaus. Economics. Nineteenth Edition. New York: The Mc Graw Hill, 2010.

MLA引文

Samuelson. Paula 与 William D. Nordhaus. Economics. Nineteenth Edition. The Mc Graw Hill, 2010.

警告：这些引文格式不一定是100％准确.