Philippines. Bureau of Labor and Employment Statistics. (2011). Glossary of terms commonly used in labor and employment statistics. Bureau of Labor and Employment Statistics.
Chicago-referens (17:e uppl.)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.
MLA-referens (9:e uppl.)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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