University of the Philippines (Diliman). Asian Labor Education Center. Philippine labor laws. [s.n.
Citazione stile Chigago Style (17a edizione)University of the Philippines (Diliman). Asian Labor Education Center. Philippine Labor Laws. Quezon City: [s.n.
Citatione MLA (9a ed.)University of the Philippines (Diliman). Asian Labor Education Center. Philippine Labor Laws. [s.n.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.