APA引文

Samulson Paul. (2010). Economics (19th.). Tata Mcgraw Hill.

芝加哥风格引文

Samulson Paul. Economics. 19th. New Delhi: Tata Mcgraw Hill, 2010.

MLA引文

Samulson Paul. Economics. 19th. Tata Mcgraw Hill, 2010.