O'Connell, Jr., Robert M. (2006). "A heady mix"(PDF). World Trademark Review (November/December 2006): 5–10. Archived from the original(PDF) on 4 March 2016. Retrieved 11 January 2015.
O'Connell, Jr., Robert M. (2006). "A heady mix"(PDF). World Trademark Review (November/December 2006): 5–10. Archived from the original(PDF) on 4 March 2016. Retrieved 11 January 2015.