PICKFORD, Henry. Knock Knock. Krisis | Journal for Contemporary Philosophy, [S. l.], v. 41, n. 2, p. 106–108, 2021. DOI: 10.21827/krisis.41.2.38069. Disponível em: https://krisis.eu/article/view/38069. Acesso em: 31 may. 2025.