Gaya APA
Pugel, Thomas A.. (2012).
International economics (15th ed).
New York:
McGraw Hill.
Gaya Chicago
Pugel, Thomas A..
International economics.
15th ed
New York:
McGraw Hill,
2012.
Text.
Gaya MLA
Pugel, Thomas A..
International economics.
15th ed
New York:
McGraw Hill,
2012.
Text.
Gaya Turabian
Pugel, Thomas A..
International economics.
15th ed
New York:
McGraw Hill,
2012.
Print.