Apple Variety Trends in Michigan. Journal of the American Pomological Society, [S. l.], v. 45, n. 2, p. 90–95, 1991. DOI: 10.71318/apom.1991.45.2.90. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/1895. Acesso em: 2 feb. 2026.