APA način citiranja

Dellar, H., & Walkley, A. (2019). Outcomes: Upper Intermediate - Student's Book. United Kingdom: National Geographic Learning.

Čikaški stil citiranja

Dellar, Hugh, i Andrew Walkley. Outcomes: Upper Intermediate - Student's Book. United Kingdom: National Geographic Learning, 2019.

MLA način citiranja

Dellar, Hugh, i Andrew Walkley. Outcomes: Upper Intermediate - Student's Book. United Kingdom: National Geographic Learning, 2019.

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