Organization of the petroleum exporting countries, MacNeill, M., Plakolm, E., Golpashin, D., & Hammer, W. (2013). Organization of the petroleum exporting countries: Annual report 2012. Organization of the petroleum exporting countries.
芝加哥风格引文Organization of the petroleum exporting countries, Maureen MacNeill, Elfi Plakolm, Diana Golpashin, 与 Wolfgang Hammer. Organization of the Petroleum Exporting Countries: Annual Report 2012. Vienna: Organization of the petroleum exporting countries, 2013.
MLA引文Organization of the petroleum exporting countries, et al. Organization of the Petroleum Exporting Countries: Annual Report 2012. Organization of the petroleum exporting countries, 2013.
警告：这些引文格式不一定是100％准确.