«Are ATMs Stealing Jobs?» Economist, June 15, 2011, .
52
Ben Sumers, «Bank Teller Case Study» (unpublished, 2012).
53
Erik Brynjolfsson and Andrew McAfee, The Second Machine Age: Work, Progress, and Prosperity in a Time of Brilliant Technologies (New York: W. W. Norton & Co., 2014), 127.
