Heller, M., Pietikäinen, S., & Pujolar, J. (2018). Critical sociolinguistic research methods: Studying language issues that matter (First edition.). Routledge, Taylor & Francis Group.
Lua i Stíl Chicago (17ú heag.)Heller, Monica, Sari Pietikäinen, agus Joan Pujolar. Critical Sociolinguistic Research Methods: Studying Language Issues That Matter. First edition. New York, NY ; Milton Park, Abingdon, Oxon: Routledge, Taylor & Francis Group, 2018.
Lua MLA (8ú heag.)Heller, Monica, et al. Critical Sociolinguistic Research Methods: Studying Language Issues That Matter. First edition. Routledge, Taylor & Francis Group, 2018.
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