1
Cyhoeddwyd: [2014]
Superior document: Title is part of eBook package: De Gruyter transcript Backlist eBook Package 2000-2013
2
Cyhoeddwyd: 2018
3
Cyhoeddwyd: [2017]
Superior document: Title is part of eBook package: De Gruyter DG Plus eBook-Package 2017
Links: Cael y testun llawn; Cael y testun llawn; Cover
4
Cyhoeddwyd: [2016]
Superior document: Title is part of eBook package: De Gruyter DG Plus eBook-Package 2016
Links: Cael y testun llawn; Cael y testun llawn; Cover