by Harper Collins Dictionaries
ISBN: 9780008141677
by Oxford Dictionaries
ISBN: 9780192747105
ISBN: 9780008141806
ISBN: 9780199692637
ISBN: 9780199640942
ISBN: 9780008321161
ISBN: 9780199558469
ISBN: 9780008141691
ISBN: 9780008321178
ISBN: 9780199532865
ISBN: 9780199640966
ISBN: 9780008257958