1. Aristotle. (2000) Nicomachean Ethics. Retrieved September 23, 2021, from http://classics.mit.edu/Aristotle/nicomachaen.mb.txt.
2. Bartra, R. (2019). Chamanes y Robots. Anagrama.
3. Berry, T. (1999). The Great Work: Our Great Way into the Future. Bell Tower.
4. Cullinan, C. (2011). Wild Law: A Manifesto for Earth Justice (2nd ed). Chelsea Green Publishing.
5. Davis, W. (2007). Light at the Edge of the World: A Journey Through the Realm of Vanishing Cultures. Douglas & McIntyre.