Mack Ben. (2007). Think Two Products Ahead: Secrets the Big Advertising Agencies Don't Want You to Know and How to Use Them for Bigger Profits. Canada: John Wiley.
Chicago Style CitationMack Ben. Think Two Products Ahead: Secrets the Big Advertising Agencies Don't Want You to Know and How to Use Them for Bigger Profits. Canada: John Wiley, 2007.
Cita MLAMack Ben. Think Two Products Ahead: Secrets the Big Advertising Agencies Don't Want You to Know and How to Use Them for Bigger Profits. Canada: John Wiley, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.