Philippines. Institute for Labor Studies. (2012). Performance and accountability report 2011. ILS.
Chicago Style (17. basım) AtıfPhilippines. Institute for Labor Studies. Performance and Accountability Report 2011. Intramuros, Manila: ILS, 2012.
MLA (9th ed.) AtıfPhilippines. Institute for Labor Studies. Performance and Accountability Report 2011. ILS, 2012.
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