Philippines. Institute for Labor Studies. (2001). A Closer look into the working conditions and occupational safety and health of informal sector workers: A compilation of case studies. Institute for Labor Studies.
Chicago-referens (17:e uppl.)Philippines. Institute for Labor Studies. A Closer Look into the Working Conditions and Occupational Safety and Health of Informal Sector Workers: A Compilation of Case Studies. Manila: Institute for Labor Studies, 2001.
MLA-referens (9:e uppl.)Philippines. Institute for Labor Studies. A Closer Look into the Working Conditions and Occupational Safety and Health of Informal Sector Workers: A Compilation of Case Studies. Institute for Labor Studies, 2001.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.