No referandum on saturday in Iceland ?

Today the was a press meeting , with the Ielandic Prime minister.
Icelands Prime Minister, Johanna Sigurdardottir,sees the referendum next saturday ,as a farce.
She says that before that time,Iceland could have a new deal, with Holland and Great Britain.
Then why should the NAtional Referendum be held, and what should the people be voting for ?
People would not know what they are voting for,since the is a new offer on the table.
Since this is the first referendum in Icelands history,
So why should the people vote, in a referendum ,that is about to look like a joke in Icelands history.