APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.