Universal decimal classification : UDC 636/639, animal breeding, animal produce, hunting, fishing = Classification décimale universelle :
Wedi'i Gadw mewn:
| Awduron Corfforaethol: | , |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
London :
British Standards Institution,
1981.
|
| Rhifyn: | 2nd English full ed. |
| Pynciau: |
CARM 1 Store
| Rhif Galw: |
A2:AR05E0 D06435 |
|---|---|
| Copi 1 | Ar gael Gwneud Cais |