Gaya APA
Incoterms 1990. (1990).
Paris:
International Chamber of Commerce.
Gaya Chicago
Incoterms 1990.
.
Paris:
International Chamber of Commerce,
1990.
Text.
Gaya MLA
Incoterms 1990.
.
Paris:
International Chamber of Commerce,
1990.
Text.
Gaya Turabian
Incoterms 1990.
Paris:
International Chamber of Commerce,
1990.
Print.