1
2
Cyhoeddwyd: 2006.
3
Cyhoeddwyd: c2007.
4
Cyhoeddwyd: [2013]
Superior document: Title is part of eBook package: De Gruyter DGBA Backlist Complete English Language 2000-2014 PART1
Links: Cael y testun llawn; Cover
5
Cyhoeddwyd: [2013]
Superior document: Title is part of eBook package: De Gruyter DGBA Social Sciences 1990 - 1999
Links: Cael y testun llawn; Cael y testun llawn; Cover
6
Cyhoeddwyd: [2016]
Superior document: Title is part of eBook package: De Gruyter DG Plus DeG Package 2016 Part 1
Links: Cael y testun llawn; Cael y testun llawn; Cover
7
Cyhoeddwyd: [2012]
Superior document: Title is part of eBook package: De Gruyter Gorgias Press Backlist eBook-Package 2001-2013
Links: Cael y testun llawn; Cael y testun llawn; Cover
8
Cyhoeddwyd: [2011]
Superior document: Title is part of eBook package: De Gruyter DGBA Linguistics and Semiotics - <1990
Links: Cael y testun llawn; Cael y testun llawn; Cover