Philippines. Department of Labor & Employment. Philippine labor. Department of Labor and Employment.
Παραπομπή σε μορφή Chicago (17η εκδ.)Philippines. Department of Labor & Employment. Philippine Labor. Manila: Department of Labor and Employment.
Παραπομπή σε μορφή MLA (8th εκδ.)Philippines. Department of Labor & Employment. Philippine Labor. Department of Labor and Employment.
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