APA
(2006). The americas marketing pocket book 2006. Oxon: World Advertising Research Center (WARC).
Chicago
2006. The americas marketing pocket book 2006. Oxon: World Advertising Research Center (WARC).
Harvard
(2006). The americas marketing pocket book 2006. Oxon: World Advertising Research Center (WARC).
MLA
The americas marketing pocket book 2006. Oxon: World Advertising Research Center (WARC). 2006.