Philippines & Nolledo, J. N. (1989). 1989 Amendments to the labor code of the Philippines: Republic Act No. 6715 (1989 ed.). Rex Book Store.
Čikaški stil citiranja (17. izdanje)Philippines i Jose N. Nolledo. 1989 Amendments to the Labor Code of the Philippines: Republic Act No. 6715. 1989 ed. Manila: Rex Book Store, 1989.
MLA način citiranja (8. izdanje)Philippines i Jose N. Nolledo. 1989 Amendments to the Labor Code of the Philippines: Republic Act No. 6715. 1989 ed. Rex Book Store, 1989.
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