Nolledo, J. N. (1990). The labor code of the philippines as amended (1990 edition.). Rex Book Store.
Lua i Stíl Chicago (17ú heag.)Nolledo, Jose N. The Labor Code of the Philippines as Amended. 1990 edition. Manila: Rex Book Store, 1990.
Lua MLA (9ú heag.)Nolledo, Jose N. The Labor Code of the Philippines as Amended. 1990 edition. Rex Book Store, 1990.
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