TY  - BOOK
AU  - Betty Schrampfer Azar y Stacy A. Hagen
TI  - Basic English grammar 
SN  - 978013240966
U1  - 428 A16b Ej.1 
PY  - 0000///Pearson Longman
PB  - 2006
KW  - Anglais (Langue) Manuels pour allophones English language Grammar Problems, exercises, etc English language Textbooks for foreign speakers Enregistrements sonores Textbooks for foreign speakers
ER  -