International Labour Office. (1992). The Urban informal sector in Asia: An annotated bibliography. International Labour Office.
芝加哥风格引文International Labour Office. The Urban Informal Sector in Asia: An Annotated Bibliography. Geneva: International Labour Office, 1992.
MLA引文International Labour Office. The Urban Informal Sector in Asia: An Annotated Bibliography. International Labour Office, 1992.
警告：这些引文格式不一定是100％准确.