Pinto, Maria da Graça Lisboa Castro. «Danuta Gabryś-Barker (Ed.) Third Age Learners of Foreign Languages. Bristol: Multilingual Matters, 2018». Linguarum Arena 9 (novembro 14, 2018): 87–102. Acedido maio 18, 2026. https://ojstest.xyz/ojsletrasX/index.php/LinguarumArena/article/view/5091.