Gaya APA
Case, Karl E., Fair, Ray C., Oster, Sharon E.. (2017).
Principles of Economics (12nd.ed.).
Boston:
Pearson.
Gaya Chicago
Case, Karl E., Fair, Ray C., Oster, Sharon E..
Principles of Economics.
12nd.ed.
Boston:
Pearson,
2017.
Text.
Gaya MLA
Case, Karl E., Fair, Ray C., Oster, Sharon E..
Principles of Economics.
12nd.ed.
Boston:
Pearson,
2017.
Text.
Gaya Turabian
Case, Karl E., Fair, Ray C., Oster, Sharon E..
Principles of Economics.
12nd.ed.
Boston:
Pearson,
2017.
Print.