APA引文

Samuelson, P. (2005). Macroeconomics (18th.). McGraw Hill.

Chicago Style (17th ed.) Citation

Samuelson, Paul. Macroeconomics. 18th. NewYork: McGraw Hill, 2005.

MLA引文

Samuelson, Paul. Macroeconomics. 18th. McGraw Hill, 2005.

警告：這些引文格式不一定是100％准確.