APA
Ungson G. R. &. W. Y. Y., . (2009). Global strategic management. New Delhi: Segment books.
Chicago
Ungson G R & Wong Y Y, . 2009. Global strategic management. New Delhi: Segment books.
Harvard
Ungson G. R. &. W. Y. Y., . (2009). Global strategic management. New Delhi: Segment books.
MLA
Ungson G R & Wong Y Y, . Global strategic management. New Delhi: Segment books. 2009.