APA način citiranja

Dubicka, I., & O'Keeffe, M. (2015). Market Leader: Advanced: Business English Course Book. PearsonLongman.

Čikaški stil citiranja

Dubicka, Iwonna, i Margaret O'Keeffe. Market Leader: Advanced: Business English Course Book. PearsonLongman, 2015.

MLA način citiranja

Dubicka, Iwonna, i Margaret O'Keeffe. Market Leader: Advanced: Business English Course Book. PearsonLongman, 2015.

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