Gaya APA

Schilller, B, R. (2003). Student problem set for use with : the economy today the macro economy today the economy today (edisi 9). New York: Mc Graw- Hill Book Co.

Gaya MLA

Schilller, Bradley, R. "Student problem set for use with : the economy today the macro economy today the economy today". edisi 9 New York: Mc Graw- Hill Book Co, 2003. Text.