ARMSTRONG, Christopher. Federalism, Continentalism and Economic Development in Canada. Czasopismo Prawno-Historyczne, [S. l.], v. 32, n. 1, p. 185–198, 1980. DOI: 10.14746/cph.1980.32.1.7. Disponível em: https://pressto.amu.edu.pl/index.php/cph/article/view/50323. Acesso em: 18 maj. 2026.