| LEADER | 00450nam a22001451a 4500 | ||
|---|---|---|---|
| 001 | UNA01000044595 | ||
| 005 | 20120328190849.0 | ||
| 008 | 080728s1969 000 0 spa d | ||
| 040 | |a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica | ||
| 082 | 0 | 4 | |a 420.7 |b D724f |
| 100 | 1 | |a Doster, William C. | |
| 245 | 1 | 0 | |a First perspectives on language / |c William C. Doster |
| 260 | |a [S.l.] : |b American Book Co. , |c c1969 | ||
| 650 | 0 | 4 | |a INGLES |
| 650 | 0 | 4 | |a ENSEÑANZA |