Gaya APA
Gerber, James. (2014).
International economics (6th. Ed).
England:
Pearson.
Gaya Chicago
Gerber, James.
International economics.
6th. Ed
England:
Pearson,
2014.
Text.
Gaya MLA
Gerber, James.
International economics.
6th. Ed
England:
Pearson,
2014.
Text.
Gaya Turabian
Gerber, James.
International economics.
6th. Ed
England:
Pearson,
2014.
Print.