Chilton H. Helen & Tiliouine H. Helen. (2018). Exam Essentials Practice Tests 2 Cambridge English: First (FCE) without key. Andover, National Geographic Learning, 2018.
Čikaški stil citiranja (17. izdanje)Chilton H. Helen i Tiliouine H. Helen. Exam Essentials Practice Tests 2 Cambridge English: First (FCE) Without Key. Andover, National Geographic Learning, 2018, 2018.
MLA način citiranja (9. izdanje)Chilton H. Helen i Tiliouine H. Helen. Exam Essentials Practice Tests 2 Cambridge English: First (FCE) Without Key. Andover, National Geographic Learning, 2018, 2018.
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