Cambridge. CIE QUESTION PAPERS: CAMBRIDGE INTERNATIONAL EXAMINATION OCTOBER - NOVEMBER 2010. s.n.
Čikaški stil citiranja (17. izdanje)Cambridge. CIE QUESTION PAPERS: CAMBRIDGE INTERNATIONAL EXAMINATION OCTOBER - NOVEMBER 2010. s.n.
MLA način citiranja (8. izdanje)Cambridge. CIE QUESTION PAPERS: CAMBRIDGE INTERNATIONAL EXAMINATION OCTOBER - NOVEMBER 2010. s.n.
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