Gaya APA
Case, Karl E, Fair, Ray C, Oster, Sharon M. (2014).
Principles of economics (11e).
New Jersey:
Pearson Education.
Gaya Chicago
Case, Karl E, Fair, Ray C, Oster, Sharon M.
Principles of economics.
11e
New Jersey:
Pearson Education,
2014.
Buku.
Gaya MLA
Case, Karl E, Fair, Ray C, Oster, Sharon M.
Principles of economics.
11e
New Jersey:
Pearson Education,
2014.
Buku.
Gaya Turabian
Case, Karl E, Fair, Ray C, Oster, Sharon M.
Principles of economics.
11e
New Jersey:
Pearson Education,
2014.
Buku.