1
Cyhoeddwyd: [2015]
Superior document: Title is part of eBook package: De Gruyter transcript Backlist eBook Package 2000-2013
2
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
3
Cyhoeddwyd: 2021
4
Cyhoeddwyd: 2018
5
Cyhoeddwyd: [2021]
Superior document: Title is part of eBook package: De Gruyter DG Plus DeG Package 2021 Part 1
Links: Cael y testun llawn; Cael y testun llawn; Cover
6
Cyhoeddwyd: 2019
7
Cyhoeddwyd: [2015]
Superior document: Title is part of eBook package: De Gruyter transcript Backlist eBook Package 2000-2013
Links: Cael y testun llawn; Cael y testun llawn; Cover