Philippines & Philippines. Institute for Labor Studies. (1999). Integrated labor and labor-related laws. Institute of Labor Studies, Department of Labor and Employment.
Chicago-referens (17:e uppl.)Philippines och Philippines. Institute for Labor Studies. Integrated Labor and Labor-related Laws. Manila: Institute of Labor Studies, Department of Labor and Employment, 1999.
MLA-referens (9:e uppl.)Philippines och Philippines. Institute for Labor Studies. Integrated Labor and Labor-related Laws. Institute of Labor Studies, Department of Labor and Employment, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.