Beth yw'r sŵn yna?
By: Glenda Tinney ; dyluniwyd gan Rhiannon Sparks
Contributors: Sparks, Rhiannon, illustrator
Series: Archwilio'r amgylchedd awyr agored. Llyfr 4 -- cyfres 1; Archwilio'r amgylchedd awyr agored -- cyfres 1.
Publisher: Canolfan Peniarth
Published: 2011
Place of publication: Carmarthen]
Language: wel
Number of pages: 18
ISBN-13: 9781908395092
Subjects: Sounds; Juvenile fiction; Noise
Notes: Teitl clawr = Cover title.

Fersiwn Saesneg hefyd ar gael = English version also available.