Gaya APA

Pindyck, R, S., Rubinfeld, D, L. (2018). Microeconomics (9th ed. Global Edition.). London: Pearson Education.

Gaya MLA

Pindyck, Robert, S.., Rubinfeld, Daniel, L.. "Microeconomics". 9th ed. Global Edition. London: Pearson Education, 2018. Text.