APA Style
Helsen., M, K, K. (2017).
Global marketing management (7th ED).
United States:
by John Wiley & Sons, Inc..
MLA Style
Helsen., Masaaki, Kotabe,, Kristiaan.
"Global marketing management".
7th ED
United States:
by John Wiley & Sons, Inc.,
2017.
Electronic Resource.