Hornby, A. S.
Oxford advanced learner's dictionary of current english / A. S. Hornby; ed. by Sally Wehmeier, phonetics editor Michael Ashby
. - 6. ed.
. - Oxford : University Press, cop. 2000
. - XII,1539,[2] p.; 24cm + CD-Rom
. - ISBN: 0194315851
OBRA DE REFERÊNCIA /