WANIEK-KLIMCZAK, Ewa. Sociolinguistic Conditioning of Phonetic Category Realisation in Non-Native Speech . Research in Language, Poland, v. 7, p. 149–166, 2009. DOI: 10.2478/v10015-009-0010-9. Disponível em: https://www.czasopisma.uni.lodz.pl/research/article/view/8194. Acesso em: 8 aug. 2026.