TY  - BOOK
AU  - Marshall,Claire
TI  - William Langland, Piers plowman
T2  - Writers and their work
SN  - 9780746308608 
PY  - 2001///
CY  - Tavistock
PB  - Northcote House in association with the British Council
KW  - Langland, William,
N1  - Bibliografía. - índice
ER  -