APA引文

Samulson Paul. (2013). Economics (19th.). Mcgraw Hill.

芝加哥风格引文

Samulson Paul. Economics. 19th. New Delhi: Mcgraw Hill, 2013.

MLA引文

Samulson Paul. Economics. 19th. Mcgraw Hill, 2013.

警告：这些引文格式不一定是100％准确.