Gaya APA

Global marketing / Warren J. Keegan ; Mark C. Green. (2009). Upper Saddle River, NJ: Prentice-Hall, c.

Gaya MLA

Global marketing / Warren J. Keegan ; Mark C. Green. 3rd ed.. Upper Saddle River, NJ: Prentice-Hall, c, 2009. Buku Wajib.