Hatt, Elizabeth Louise (January 4, 2012). "Store Brands Stay Strong". Grocery Headquarters. New York City. Archived from the original on October 4, 2015. Retrieved October 3, 2015.
Hatt, Elizabeth Louise (January 4, 2012). "Store Brands Stay Strong". Grocery Headquarters. New York City. Archived from the original on October 4, 2015. Retrieved October 3, 2015.