Albert Etter: Fruit Breeder. Journal of the American Pomological Society, [S. l.], v. 41, n. 1, p. 40–46, 1987. DOI: 10.71318/apom.1987.41.1.40. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/1707. Acesso em: 18 aug. 2026.