Gaya APA
CZINKOTA, M, R., RONKAINEN, I, A. (2010).
Principles of international marketing (9th.ed).
Australia:
South-Western.
Gaya MLA
CZINKOTA, Michael, R., RONKAINEN, Ilkka, A..
"Principles of international marketing".
9th.ed
Australia:
South-Western,
2010.
Buku.