APA引文

Parkin, M. (2014). Economics (11th ed.). Pearson.

Chicago Style (17th ed.) Citation

Parkin, Michael. Economics. 11th ed. Boston: Pearson, 2014.

MLA引文

Parkin, Michael. Economics. 11th ed. Pearson, 2014.

警告：這些引文格式不一定是100％准確.