Gaya APA
Schiller, Bradley R.. (2007).
Essentials of economics (6th ed).
New York:
McGraw Hill.
Gaya Chicago
Schiller, Bradley R..
Essentials of economics.
6th ed
New York:
McGraw Hill,
2007.
Text.
Gaya MLA
Schiller, Bradley R..
Essentials of economics.
6th ed
New York:
McGraw Hill,
2007.
Text.
Gaya Turabian
Schiller, Bradley R..
Essentials of economics.
6th ed
New York:
McGraw Hill,
2007.
Print.