TY  - BOOK
AU  - Wallace,Michael J.
AU  - University of Cambridge
TI  - Study skills in english: [student's book] 
SN  - 0-521-22110-2
AV  - PE1065 W35
PY  - 1980///
CY  - Cambridge
PB  - Cambridge University
N1  - Reimp., 1991; Incluye bibliografia
ER  -