APA引文

Perry, G. (2007). Informality: Exit and exclusion. World Bank.

芝加哥风格引文

Perry, Guillermo. Informality: Exit and Exclusion. Washington, D.C.: World Bank, 2007.

MLA引文

Perry, Guillermo. Informality: Exit and Exclusion. World Bank, 2007.

警告：这些引文格式不一定是100％准确.