Samuelson Paul. (2012). Economics (19th.). Tata McGraw Hill.
芝加哥风格引文Samuelson Paul. Economics. 19th. New Delhi: Tata McGraw Hill, 2012.
MLA引文Samuelson Paul. Economics. 19th. Tata McGraw Hill, 2012.
警告:这些引文格式不一定是100%准确.
Samuelson Paul. (2012). Economics (19th.). Tata McGraw Hill.
芝加哥风格引文Samuelson Paul. Economics. 19th. New Delhi: Tata McGraw Hill, 2012.
MLA引文Samuelson Paul. Economics. 19th. Tata McGraw Hill, 2012.