Gaya APA
KOTABE, M., HELSEN, K.
(2008).
Global marketing management
(
4th ed.)
.
New Jersey:
John Wiley & Sons.
Gaya MLA
KOTABE, Masaaki., HELSEN, Kristiaan.
"Global marketing management".
4th ed.
New Jersey:
John Wiley & Sons,
2008.
Buku.