New Apple Variety ‘Lawspur’. Journal of the American Pomological Society, [S. l.], v. 32, n. 3, p. 69–69, 1978. DOI: 10.71318/apom.1978.32.3.69. Disponível em: https://journal.americanpomological.org/index.php/jofaps/article/view/1361. Acesso em: 12 dec. 2025.