1
2
Cyhoeddwyd: 2010.
Superior document: ASA monographs,
Links: Cael y testun llawn
3
Cyhoeddwyd: [2000]
Superior document: Title is part of eBook package: De Gruyter CVP eBook-Package Backfile 2000-2013
Links: Cael y testun llawn; Cael y testun llawn; Cover
4
Cyhoeddwyd: [2004]
Superior document: Title is part of eBook package: De Gruyter CVP eBook-Package Backfile 2000-2013
Links: Cael y testun llawn; Cael y testun llawn; Cover