00534aam a2200217 450000500170000000800410001704100080005808200130006610000170007910000190009624500430011526000190015826000280017726000090020530000180021465000130023265000160024565000250026165000140028665000160030020170210185544.0150730b xxu||||| |||| 00| 0 spa d aeng a428 I72c aIrvine, Mark aCadman, Marion aCommercially speaking : student's book aEstados Unidos bOxford University Press c1999 a127 páginas aINGLÉS aENSEÑANZA aCORREO ELECTRÓNICO aREUNIONES aTELÉFONOS