Brewster, Mike and Frederick Dalzell. Driving Change: The UPS Approach to Business (2007) excerpt and text search
Thomas L. Friedman, "Insourcing," in The World Is Flat: A Brief History of the Twenty-First Century, New York: Farrar, Straus and Giroux, updated and expanded, 2006, pp. 167–176.
Minchin, Timothy J., "Shutting Down 'Big Brown': Reassessing the 1997 UPS Strike and the Fate of American Labor," Labor History, 53 (Nov. 2012), 541–60.
