Smith, Justin E.H.: A Form of War Animals, Humans, and the Shifting Boundaries of Community. In: Animal Minds & Animal Ethics. Hrsg. v. Klaus Petrus/ Markus Wild. Bielefeld 2013. Internet: http://www.degruyter.com/view/books/transcript.9783839424629/transcript.9783839424629.59/transcript.9783839424629.59.xml. Zuletzt geprüft am: 21.5.2020. S. 59–82.