Gaya APA
Gandolfo, Giancarlo. (1987).
International economics I: the pure theory of international trade .
Berlin:
Verlag.
Gaya Chicago
Gandolfo, Giancarlo.
International economics I: the pure theory of international trade.
Berlin:
Verlag,
1987.
Text.
Gaya MLA
Gandolfo, Giancarlo.
International economics I: the pure theory of international trade.
Berlin:
Verlag,
1987.
Text.
Gaya Turabian
Gandolfo, Giancarlo.
International economics I: the pure theory of international trade.
Berlin:
Verlag,
1987.
Print.