International Labour Office. (1992). The Urban informal sector in Asia: An annotated bibliography. International Labour Office.
Chicago Style aipamenaInternational Labour Office. The Urban Informal Sector in Asia: An Annotated Bibliography. Geneva: International Labour Office, 1992.
MLA aipamenaInternational Labour Office. The Urban Informal Sector in Asia: An Annotated Bibliography. International Labour Office, 1992.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.