Gaya APA
CATEORA, P, R., GRAHAM, J, L. (1999).
International marketing (10th ed.).
United States of America:
Irwin McGraw-Hill.
Gaya MLA
CATEORA, Philip, R., GRAHAM, JOHN, L..
"International marketing".
10th ed.
United States of America:
Irwin McGraw-Hill,
1999.
Text.