Philippines. University Law Center. (1973). Proposed labor code of the Philippines. s.n.
Citazione stile Chigago Style (17a edizione)Philippines. University Law Center. Proposed Labor Code of the Philippines. [Diliman, Quezon City: s.n, 1973.
Citatione MLA (9a ed.)Philippines. University Law Center. Proposed Labor Code of the Philippines. s.n, 1973.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.