TY  - BOOK
AU  - Langacker,Ronald W.
TI  - Language and its structure: some fundamental linguistic concepts 
SN  - 0-15-549192-x
PY  - 1973///
CY  - New York [etc.]
PB  - Harcourt, Brace and World
KW  - Lingüística
KW  - Estudios, ensayos, conferencias, etc
ER  -