APA Style

O'keeffe, M., Dubicka, I. (2011). Advanced Market Leader: Business English Course Book. Third Edition (Third Edition). Slovakia: Pearson Longman.

MLA Style

O'keeffe, Margaret., Dubicka, Iwonna;. "Advanced Market Leader: Business English Course Book. Third Edition". Third Edition Slovakia: Pearson Longman, 2011. Text.