Nolledo, J. N. (1992). The labor code of the Philippines with implementing regulations, related laws and other issuances (Rev. ed.). National Book Store.
Lua i Stíl Chicago (17ú heag.)Nolledo, Jose N. The Labor Code of the Philippines with Implementing Regulations, Related Laws and Other Issuances. Rev. ed. Metro Manila: National Book Store, 1992.
Lua MLA (8ú heag.)Nolledo, Jose N. The Labor Code of the Philippines with Implementing Regulations, Related Laws and Other Issuances. Rev. ed. National Book Store, 1992.
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