1
Cyhoeddwyd: 2011.
Superior document: Writing architecture
2
Cyhoeddwyd: 2013.
Links: Cael y testun llawn
3
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
4
Cyhoeddwyd: [2019]
Superior document: Title is part of eBook package: De Gruyter DETAIL eBook Package English 2001-2021
Links: Cael y testun llawn; Cael y testun llawn; Cover