The Cambridge Companion to Hemingway, ed. Scott Donaldson (Cambridge: Cambridge University Press, 1996).
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Elizabeth W. Morrison, «Employee Voice Behavior: Integration and Directions for Future Research», Academy of Management Annals 5 (2011): 373–412; Charlan Jeanne Nemeth, In Defense of Troublemakers: The Power of Dissent in Life and Business (New York: Basic Books, 2018).