1
Cyhoeddwyd: [2016]
Superior document: Title is part of eBook package: De Gruyter DG Plus eBook-Package 2016
2
Cyhoeddwyd: 1980
Superior document: Berichte zur Medienforschung 20
3
Cyhoeddwyd: [2019]
Superior document: Title is part of eBook package: De Gruyter DG Plus eBook-Package 2019
Links: Cael y testun llawn; Cael y testun llawn; Cover
4
Cyhoeddwyd: [2018]
Superior document: Title is part of eBook package: De Gruyter DG Plus DeG Package 2017 Part 1
Links: Cael y testun llawn; Cael y testun llawn; Cover
5
Cyhoeddwyd: [2020]
Superior document: Title is part of eBook package: De Gruyter DGBA Linguistics and Semiotics 1990 - 1999
Links: Cael y testun llawn; Cael y testun llawn; Cover