TY  - BOOK
AU  - Fishman,Joshua A.,1926-.
TI  - Language loyalty in the United States: the maintenance and perpetuation of non-English mother tongue by American ethnic and religious groups
U1  - 409.73/F539l 
PY  - 1966///
CY  - La Haya, Holanda 
PB  - Mouton.
KW  - LENGUAS - ESTADOS UNIDOS
N1  - Bibliografía: p. 455-478
ER  -