De la Peña, F. T. Quality management practices in three major Philippine Manufacturing Sectors. Philippine Engineering Journal.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDe la Peña, Fortunato T. "Quality Management Practices in Three Major Philippine Manufacturing Sectors." Philippine Engineering Journal .
एमएलए (9वां संस्करण) प्रशस्ति पत्रDe la Peña, Fortunato T. "Quality Management Practices in Three Major Philippine Manufacturing Sectors." Philippine Engineering Journal, .
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