Gaya APA

CASE, KARL E., FAIR, RAY C., OSTER, SHARON E.. (2017). PRINCIPLES OF ECONOMICS (12). Harlow: Pearson Education Inc..

Gaya Chicago

CASE, KARL E., FAIR, RAY C., OSTER, SHARON E.. PRINCIPLES OF ECONOMICS. 12 Harlow: Pearson Education Inc., 2017. Text.

Gaya MLA

CASE, KARL E., FAIR, RAY C., OSTER, SHARON E.. PRINCIPLES OF ECONOMICS. 12 Harlow: Pearson Education Inc., 2017. Text.

Gaya Turabian

CASE, KARL E., FAIR, RAY C., OSTER, SHARON E.. PRINCIPLES OF ECONOMICS. 12 Harlow: Pearson Education Inc., 2017. Print.