Philippines Ministry of Labor and Employment Institute of Labor and Manpower Studies. (1984). Working hours in the Philippines. Institute of Labor and Manpower Studies, Ministry of Labor and Employment.
Lua i Stíl Chicago (17ú heag.)Philippines Ministry of Labor and Employment Institute of Labor and Manpower Studies. Working Hours in the Philippines. Manila: Institute of Labor and Manpower Studies, Ministry of Labor and Employment, 1984.
Lua MLA (9ú heag.)Philippines Ministry of Labor and Employment Institute of Labor and Manpower Studies. Working Hours in the Philippines. Institute of Labor and Manpower Studies, Ministry of Labor and Employment, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.