Samuelson, P. A. (2011). Economics (19th.). Mcgraw hill.
芝加哥风格引文Samuelson, Paul A. Economics. 19th. New Delhi: Mcgraw hill, 2011.
MLA引文Samuelson, Paul A. Economics. 19th. Mcgraw hill, 2011.
警告：这些引文格式不一定是100％准确.
APA引文
Samuelson, P. A. (2011). Economics (19th.). Mcgraw hill.
芝加哥风格引文Samuelson, Paul A. Economics. 19th. New Delhi: Mcgraw hill, 2011.
MLA引文Samuelson, Paul A. Economics. 19th. Mcgraw hill, 2011.