POPOOLA, L. (2013). Ibadan sustainable development summit [ISDS] 2013. University of Ibadan Centre for Sustainable Development.
Čikaški stil citiranja (17. izdanje)POPOOLA, Labode. Ibadan Sustainable Development Summit [ISDS] 2013. University of Ibadan Centre for Sustainable Development, 2013.
MLA način citiranja (9. izdanje)POPOOLA, Labode. Ibadan Sustainable Development Summit [ISDS] 2013. University of Ibadan Centre for Sustainable Development, 2013.
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