1
Cyhoeddwyd: [2013]
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
2
Cyhoeddwyd: [2014]
Superior document: Title is part of eBook package: De Gruyter Gorgias Press Backlist eBook-Package 2001-2015
Links: Cael y testun llawn; Cael y testun llawn; Cover
3
Cyhoeddwyd: [2017]
Superior document: Title is part of eBook package: De Gruyter Gorgias Press Complete eBook-Package 2017
Links: Cael y testun llawn; Cael y testun llawn; Cover
4
Cyhoeddwyd: [2011]
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