TY  - BOOK
AU  - I. Wardhaugh, Ronald
TI  - English for a changing world 1 : teacher´s annotated edition
SN  - 0-673-10001-4
PY  - 0000///Scott
CY  - Glenview
PB  - Scott
KW  - INGLES
N1  - Incluye índice
ER  -