[1]Gamblo fel mater iechyd cyhoeddus yng Nghymru. Robert D. Rogers, Heather Wardle, Catherine A. Sharp, Sara Wood, Karen Hughes, Timothy J. Davies, Simon Dymond a Mark A. Bellis. 2019 Ymddiriedolaeth GIG Iechyd Cyhoeddus Cymru, Prifysgol Bangor.
[1]Gambling as a public health issue in Wales. Robert D. Rogers, Heather Wardle, Catherine A. Sharp, Sara Wood, Karen Hughes, Timothy J. Davies, Simon Dymond & Mark A. Bellis. 2019 Public Health Wales NHS Trust, Bangor University.