TY  - BOOK
AU  - Soars,Liz
AU  - Soars,John
TI  - New headway: student's book 
SN  - 978-0-19-476864-1
PY  - 2009///, 2012
CY  - Oxford
PB  - Oxford University Press
KW  - English language
KW  - Textbooks for foreign speakers
KW  - Problems, exercises, etc
KW  - Inglés
KW  - Estudio y enseñanza
ER  -