Ungos, P. D. J., & Ungos, P. Q. I. (2016). The law on labor standards. Published & distributed by Rex Book Store.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUngos, Paulino D. Jr, और Paulino Q. III Ungos. The Law on Labor Standards. Manila: Published & distributed by Rex Book Store, 2016.
एमएलए (9वां संस्करण) प्रशस्ति पत्रUngos, Paulino D. Jr, और Paulino Q. III Ungos. The Law on Labor Standards. Published & distributed by Rex Book Store, 2016.
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