Doff, A. English Unlimited. Cambridge: Cambridge Univ. Press, 2010 128 p. : ill. 978-0-521-69780-4.
Doff, A. English Unlimited. Cambridge: Cambridge Univ. Press, 2010 128 p. : ill. 978-0-521-69780-4.
Doff, A. (2010) English Unlimited, Cambridge: Cambridge Univ. Press 128 p. : ill. 978-0-521-69780-4.
Doff, A. (2010). English Unlimited. B1 : Pre-Intermediate Teacher`s Pack with DVD-ROM. Cambridge: Cambridge Univ. Press, 128 p. : ill.
Doff A. English Unlimited: B1 : Pre-Intermediate Teacher`s Pack with DVD-ROM. Cambridge: Cambridge Univ. Press; 2010. p. 128 p. : ill. ISBN: 978-0-521-69780-4.
