Gaya APA
SCHILLER, B, R. (2003).
Student Problem Set For Use With The Economy Today, The Macro Economy Today, and The Micro Economy Today (Ninth Edition).
New York:
McGraw-Hill.
Gaya MLA
SCHILLER, Bradley, R..
"Student Problem Set For Use With The Economy Today, The Macro Economy Today, and The Micro Economy Today".
Ninth Edition
New York:
McGraw-Hill,
2003.
Text.