Nolledo, J. N. (1990). The labor code of the philippines as amended (1990 edition.). Rex Book Store.
Cita Chicago (17th ed.)Nolledo, Jose N. The Labor Code of the Philippines as Amended. 1990 edition. Manila: Rex Book Store, 1990.
Cita MLA (9th ed.)Nolledo, Jose N. The Labor Code of the Philippines as Amended. 1990 edition. Rex Book Store, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.