The Book of Pears: The Definitive History and Guide to Over 500 Varieties. Journal of the American Pomological Society, [S. l.], v. 70, n. 1, p. 46–47, 2016. DOI: 10.71318/apom.2016.70.1.46. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/2930. Acesso em: 13 dec. 2025.