Gaya APA

O'sullvian, A. et al (2008). Microeconomics : Principles, Aplications, And Tools 5th Ed. (5th Ed.). New Jersey: Pearson Eduation.

Gaya MLA

O'sullvian, Arthur. et al. "Microeconomics : Principles, Aplications, And Tools 5th Ed.". 5th Ed. New Jersey: Pearson Eduation, 2008. Text.