Philippines. Laws, statutes, etc. (1977). Labor code of the Philippines, Presidential Decree No. 442 as amended by Presidential Decrees No. 570-A, 626, 643, 823, 849, 850, 865-A and 891 (3rd official ed.). Institute of Labor and Manpower Studies.
Cita Chicago (17th ed.)Philippines. Laws, statutes, etc. Labor Code of the Philippines, Presidential Decree No. 442 as Amended by Presidential Decrees No. 570-A, 626, 643, 823, 849, 850, 865-A and 891. 3rd official ed. Manila: Institute of Labor and Manpower Studies, 1977.
Cita MLA (9th ed.)Philippines. Laws, statutes, etc. Labor Code of the Philippines, Presidential Decree No. 442 as Amended by Presidential Decrees No. 570-A, 626, 643, 823, 849, 850, 865-A and 891. 3rd official ed. Institute of Labor and Manpower Studies, 1977.