Philippines. Bureau of Labor and Employment Statistics. (2011). Glossary of terms commonly used in labor and employment statistics. Bureau of Labor and Employment Statistics.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Philippines. Bureau of Labor and Employment Statistics. Glossary of Terms Commonly Used in Labor and Employment Statistics. Manila: Bureau of Labor and Employment Statistics, 2011.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Philippines. Bureau of Labor and Employment Statistics. Glossary of Terms Commonly Used in Labor and Employment Statistics. Bureau of Labor and Employment Statistics, 2011.
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