1
Cyhoeddwyd: [2019]
Links: Cael y testun llawn
2
Cyhoeddwyd: [2021]
Superior document: Title is part of eBook package: De Gruyter DG Ebook Package English 2021
Links: Cael y testun llawn; Cael y testun llawn; Cover
3
Cyhoeddwyd: [2010]
Superior document: Title is part of eBook package: De Gruyter DGBA Linguistics and Semiotics 2000 - 2014
Links: Cael y testun llawn; Cael y testun llawn; Cover