DQ Advertisement (November 1, 2007). "Blizzard of the Month". Dairy Queen of America. Archived from the original on July 31, 2012. Retrieved November 11, 2007.
DQ publication. "A Story of Sweet Success". Dairy Queen International. Archived from the original on October 9, 2012. Retrieved October 13, 2012.
DQ Advertisement (November 1, 2007). "Blizzard of the Month". Dairy Queen of America. Archived from the original on July 31, 2012. Retrieved November 11, 2007.