CROSBY, Donald A. J. Baird Callicott, Thinking Like a Planet: The Land Ethic and the Earth Ethic. Journal for the Study of Religion, Nature and Culture, [S. l.], v. 12, n. 2, p. 243–246, 2018. DOI: 10.1558/jsrnc.31375. Disponível em: https://journal.equinoxpub.com/JSRNC/article/view/3993. Acesso em: 16 apr. 2025.