WHITE, E. R. The New State of the World Atlas, 4th edition. Cartographic Perspectives, [S. l.], n. 14, p. 21–22, 1993. DOI: 10.14714/CP14.988. Disponível em: https://cartographicperspectives.org/index.php/journal/article/view/cp14-white. Acesso em: 19 jun. 2026.