Philippines. Laws, s. (2017). The Labor Code of the Philippines: Presidential Decre No. 442, as amended and renumbered, per DOLE Department Advisory No. 1 series of 2015 with updated rules to implement the Labor Code (2017 edition.). Central Book Supply.
Chicago-referens (17:e uppl.)Philippines. Laws, statutes. The Labor Code of the Philippines: Presidential Decre No. 442, as Amended and Renumbered, Per DOLE Department Advisory No. 1 Series of 2015 with Updated Rules to Implement the Labor Code. 2017 edition. Quezon City: Central Book Supply, 2017.
MLA-referens (9:e uppl.)Philippines. Laws, statutes. The Labor Code of the Philippines: Presidential Decre No. 442, as Amended and Renumbered, Per DOLE Department Advisory No. 1 Series of 2015 with Updated Rules to Implement the Labor Code. 2017 edition. Central Book Supply, 2017.