Riddell, R. (2004). Sustainable urban planning: Tipping the balance. Blackwell.
Čikaški stil citiranja (17. izdanje)Riddell, Robert. Sustainable Urban Planning: Tipping the Balance. Oxford: Blackwell, 2004.
MLA način citiranja (9. izdanje)Riddell, Robert. Sustainable Urban Planning: Tipping the Balance. Blackwell, 2004.
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