«Coffee Production in the US: Market Research Report,» IBISWorld, September 2015, .
198
Carpenter, Caffeinated, 120.
199
Ibid., 80.
200
Ibid., 86.
201
Betsy Isaacson, «Our Sleep Problem and What to Do About It,» Newsweek, January 22, 2015, ; Sarah Klein, «12 Surprising Sources of Caffeine,» Health, ; Tuck Danbridge, «30 Bizarre/Delicious Ways to Get Your Caffeine Buzz On,» Thrillist, November 26, 2012, .
