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APA-referensPinker, S. (2011). The better angels of our nature: The decline of violence in history and it causes. Allen Lane.
Chicago-stil citatPinker, Steven. The Better Angels of Our Nature: The Decline of Violence in History and It Causes. London: Allen Lane, 2011.
MLA-referensPinker, Steven. The Better Angels of Our Nature: The Decline of Violence in History and It Causes. Allen Lane, 2011.
Harvard-stil citatPinker, S. 2011. The better angels of our nature: The decline of violence in history and it causes. London: Allen Lane.
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