Philippines. Institute for Labor Studies. Annual report. The Institute.
Lua i Stíl Chicago (17ú heag.)Philippines. Institute for Labor Studies. Annual Report. Manila: The Institute.
Lua MLA (9ú heag.)Philippines. Institute for Labor Studies. Annual Report. The Institute.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.