Perry, G. (2007). Informality: Exit and exclusion. World Bank.
Chicago Style (17th ed.) CitationPerry, 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:這些引文格式不一定是100%准確.