000 00550cam a22002172a 4500
001 009417
003 AR-FADEU
008 311216n1977####xxu####################dd
020 _a0-19-453501-1
092 _a428.32
_bW821
100 _aWhiteson, Valerie
245 _aMore varieties of spoken english
260 _aOxford
260 _bOxford University
260 _c1977
300 _a87 p
700 _aRonald, Mackin
650 _a/LINGUITICA/INGLES-USO; EXPRESION ORAL; CONVERSACION/REVISADO/
546 _aInglés
942 _cBDGR
999 _c15214
_d15214