Kilbey, Elizabeth.

    Energy 3 : workbook / / Liz Kilbey with Andrzej Walczak. 3rd impr.

    Harlow : Pearson Longman, 2007. 120 s. : il. ; 30 cm.
   
Opis wg okł.

    ISBN 978-0-582-84673-9     ISBN 0-582-84673-0

   
BC.7554        UKD: 811.111'24(07)=111