Daearyddiaeth TGAU: Pecyn Gwaith Maes / Gcse Geography: Fieldwork Pack Ross Simon Heftet / 2018 / Engelsk
OxfordAQA International GCSE Geography (9230) Print & Online Textbook Pack Ross Simon Kombinasjonsprodukt / 2018 / Engelsk
Gwaith Map: Sgiliau Hanfodol - Ar Gyfer TGAU, Uwch Gyfrannol a Safon Uwch Ross Simon Heftet / 2008 / Walisisk
Geography for CSEC CXC A Caribbean Examinations Council Study Guide Ross Simon Heftet / 2012 / Engelsk
OxfordAQA International GCSE Geography (9230) Online Textbook Ross Simon Lisensnøkkel fysisk / 2018 / Engelsk
