Schafer, Karl. “A Brief History of Rationality: Reason, Reasonableness, Rationality, and Reasons”. Manuscrito: Revista Internacional de Filosofia 41, no. 4 (dezembro 4, 2018): 501–529. Acessado maio 1, 2024. https://periodicos.sbu.unicamp.br/ojs/index.php/manuscrito/article/view/8654135.