Katz, Daniel; Braley, Kenneth (1933). “Racial stereotypes of one hundred college students”. The Journal of Abnormal and Social Psychology28 (3): 280–290. doi:10.1037/h0074049.
Critchfield, Austi (November 15, 2017). “This is Why Doughnuts Are Associated With Cops”. Spoon University. November 19, 2017時点のオリジナルよりアーカイブ。November 2, 2020閲覧。 “The funny thing is, the whole cop and doughnuts thing is completely out of date -- today, an officer could just as easily swing through a McDonald’s drive through as he could a Krispy Kreme. Yet, the stereotype endures, even though police aren’t seen at doughnut shops in nearly the numbers they used to have been. In a way, it’s become a stereotype of itself, which is pretty meta.”
Critchfield, Austi (November 15, 2017). “This is Why Doughnuts Are Associated With Cops”. Spoon University. November 19, 2017時点のオリジナルよりアーカイブ。November 2, 2020閲覧。 “The funny thing is, the whole cop and doughnuts thing is completely out of date -- today, an officer could just as easily swing through a McDonald’s drive through as he could a Krispy Kreme. Yet, the stereotype endures, even though police aren’t seen at doughnut shops in nearly the numbers they used to have been. In a way, it’s become a stereotype of itself, which is pretty meta.”