University of the Philippines (Diliman). Asian Labor Education Center. Philippine labor laws. [s.n.
Cita Chicago (17th ed.)University of the Philippines (Diliman). Asian Labor Education Center. Philippine Labor Laws. Quezon City: [s.n.
Cita MLA (9th ed.)University of the Philippines (Diliman). Asian Labor Education Center. Philippine Labor Laws. [s.n.
Atenció: Aquestes cites poden no estar 100% correctes.