Gaya APA

Brue, S, L. et al (2014). Essentials of economics. Third Edition (Ed.Ke-3). New York: McGraw-Hill/Irwin.

Gaya MLA

Brue, Stanley, L.. et al. "Essentials of economics. Third Edition". Ed.Ke-3 New York: McGraw-Hill/Irwin, 2014. Textbook.