Gaya APA

CASE, Karl E., Ray C. Fair, Sharon M. Oster. (2013). Principles of economics (10th. ed.). New York: Pearson.

Gaya Chicago

CASE, Karl E., Ray C. Fair, Sharon M. Oster. Principles of economics. 10th. ed. New York: Pearson, 2013. Textbook.

Gaya MLA

CASE, Karl E., Ray C. Fair, Sharon M. Oster. Principles of economics. 10th. ed. New York: Pearson, 2013. Textbook.

Gaya Turabian

CASE, Karl E., Ray C. Fair, Sharon M. Oster. Principles of economics. 10th. ed. New York: Pearson, 2013. Textbook.