POPOOLA, L. (2013). Ibadan sustainable development summit [ISDS] 2013. University of Ibadan Centre for Sustainable Development.
芝加哥风格引文POPOOLA, Labode. Ibadan Sustainable Development Summit [ISDS] 2013. University of Ibadan Centre for Sustainable Development, 2013.
MLA引文POPOOLA, Labode. Ibadan Sustainable Development Summit [ISDS] 2013. University of Ibadan Centre for Sustainable Development, 2013.
警告：这些引文格式不一定是100％准确.