Patten, C. (2008). What next?: Surviving the twenty-first century. Allen Lane.
Čikaški stil citiranja (17. izdanje)Patten, Chris. What Next?: Surviving the Twenty-first Century. London: Allen Lane, 2008.
MLA način citiranja (8. izdanje)Patten, Chris. What Next?: Surviving the Twenty-first Century. Allen Lane, 2008.
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