Heaton, John Brian ((1931- ).)

    Longman preliminary English skills : a skills and practice course for the Cambridge Preliminary English Test / / J. B. Heaton. 2nd impr.

    Harlow : Longman, 1991. 123, [4] s. tabl. kolor. : il. ; 26 cm.
    ISBN 0-582-01843-9

   
BC.2693