THORGAARD, Peter; QUIST ANDERSEN, Mikkel Munk. Hønen eller ægget?. Politica, [S. l.], v. 46, n. 4, p. 488–505, 2014. DOI: 10.7146/politica.v46i4.70039. Disponível em: https://tidsskrift.dk/politica/article/view/70039. Acesso em: 6 dec. 2025.