Azucena, C. A. (2004). The labor code with comments and cases: Part of the labor law-labor relations series (5th ed.). Rex Bookstore.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAzucena, C. A. The Labor Code with Comments and Cases: Part of the Labor Law-labor Relations Series. 5th ed. Manila: Rex Bookstore, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAzucena, C. A. The Labor Code with Comments and Cases: Part of the Labor Law-labor Relations Series. 5th ed. Rex Bookstore, 2004.
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