Pimentel, G., & Fontillas, C. (1980). The labor movement today: Issues and problems. Institute of Labor and Manpower Studies, Ministry of Labor and Employment.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPimentel, Gilbert, और Consuelo Fontillas. The Labor Movement Today: Issues and Problems. [Manila]: Institute of Labor and Manpower Studies, Ministry of Labor and Employment, 1980.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPimentel, Gilbert, और Consuelo Fontillas. The Labor Movement Today: Issues and Problems. Institute of Labor and Manpower Studies, Ministry of Labor and Employment, 1980.
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