Philippines & National Book Store. Editorial Staff. (1979). Presidential decrees on labor and social legislation with labor code, social security act, new GSIS law, new medicare law, and other laws, with implementing regulations. National Book Store.
Cita Chicago Style (17a ed.)Philippines y National Book Store. Editorial Staff. Presidential Decrees on Labor and Social Legislation with Labor Code, Social Security Act, New GSIS Law, New Medicare Law, and Other Laws, with Implementing Regulations. [Manila]: National Book Store, 1979.
Cita MLA (9a ed.)Philippines y National Book Store. Editorial Staff. Presidential Decrees on Labor and Social Legislation with Labor Code, Social Security Act, New GSIS Law, New Medicare Law, and Other Laws, with Implementing Regulations. National Book Store, 1979.