Gaya APA

Global marketing / Warren J. Keegan ; Mark C. Green. (2011). Upper Saddle River, NJ: Pearson Prentice Hall, c.

Gaya MLA

Global marketing / Warren J. Keegan ; Mark C. Green. 4th ed.. Upper Saddle River, NJ: Pearson Prentice Hall, c, 2011. Buku Wajib.