APA aipamena

Parkin, M., Powell, M., & Matthews, K. (2017). Economics (Tenth Edition.). Pearson.

Chicago Style aipamena

Parkin, Michael, Melanie Powell, and Kent Matthews. Economics. Tenth Edition. New York: Pearson, 2017.

MLA aipamena

Parkin, Michael, et al. Economics. Tenth Edition. Pearson, 2017.