Penn Starman Apple. Journal of the American Pomological Society, [S. l.], v. 22, n. 4, p. 80–80, 1968. DOI: 10.71318/apom.1968.22.4.80c. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/940. Acesso em: 7 feb. 2026.