DAVIDSON, Alan E. Ian Thomas: How to Grow Herbs. Petits Propos Culinaires, Sheffield, United Kingdom, p. 60–61, 1993. DOI: 10.1558/ppc.32291. Disponível em: https://journal.equinoxpub.com/ppc/article/view/32291. Acesso em: 20 apr. 2025.