TY  - BOOK
AU  - Collie,Joanne
AU  - Slater,Stephen
TI  - True to life: english for adult learner. Elementary. Class book 
U1  - 421.5 C699t 1995 
PY  - 1995///
CY  - Cambridge
PB  - Cambridge University Press, 
KW  - INGLES
KW  - TEXTO DE ESTUDIO
ER  -