Institute for Labor Studies (Philippines). (1989). Labor case bulletin. Institute for Labor Studies, Dept. of Labor and Employment.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInstitute for Labor Studies (Philippines). Labor Case Bulletin. Manila, Philippines: Institute for Labor Studies, Dept. of Labor and Employment, 1989.
एमएलए (9वां संस्करण) प्रशस्ति पत्रInstitute for Labor Studies (Philippines). Labor Case Bulletin. Institute for Labor Studies, Dept. of Labor and Employment, 1989.
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