TY  - BOOK
AU  - De Castells
AU  - Matilde Olivella
AU  - Guzman, Elizabeth E.
AU  - Lapuerta, Paloma; Liskin- Gasparro, Judith E.
TI  - Mosaicos : : spanish as a world language 
SN  - 13:978-0-205-66392-7
AV  - 468.4241 M 
PY  - 2010///
CY  - Upper Saddle River
PB  - Prentice Hall
N1  - Includes appendices and glossary
ER  -