APA (7th ed.) Citation

Dubicka I. Iwonna & O'Keeffe M. Margaret. (2008). Premium. B2 level: Woorkbook with key. Harlow, Longman, 2008.

Chicago Style (17th ed.) Citation

Dubicka I. Iwonna and O'Keeffe M. Margaret. Premium. B2 Level: Woorkbook with Key. Harlow, Longman, 2008, 2008.

MLA (9th ed.) Citation

Dubicka I. Iwonna and O'Keeffe M. Margaret. Premium. B2 Level: Woorkbook with Key. Harlow, Longman, 2008, 2008.

Warning: These citations may not always be 100% accurate.