Heinemann Explore Science 2nd International Edition Reader G6 Humans (Primary Explore Science International Edition) (2nd international ed.). Heinemann.
Čikaški stil citiranja (17. izdanje)Heinemann Explore Science 2nd International Edition Reader G6 Humans (Primary Explore Science International Edition). 2nd international ed. Heinemann.
MLA način citiranja (9. izdanje)Heinemann Explore Science 2nd International Edition Reader G6 Humans (Primary Explore Science International Edition). 2nd international ed. Heinemann.
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