Language leader :
Cotton, David, 1937-
Language leader : Coursebook and CD-ROM : Upper intermediate / D. Cotton, D. Falvay, S. Kent. - 6. ed. - Edinburgh : Pearson Education, 2012. - 192 p. : ill. + CD-ROM
9780582847828
English language--Textbooks for foreign speakers
English language--Study and teaching--Foreign speakers
Language leader : Coursebook and CD-ROM : Upper intermediate / D. Cotton, D. Falvay, S. Kent. - 6. ed. - Edinburgh : Pearson Education, 2012. - 192 p. : ill. + CD-ROM
9780582847828
English language--Textbooks for foreign speakers
English language--Study and teaching--Foreign speakers