Amante, I. D. (1997). DECS comes up with classes without tears. Manila Times.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAmante, Isolde D. "DECS Comes Up with Classes Without Tears." Manila Times 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAmante, Isolde D. "DECS Comes Up with Classes Without Tears." Manila Times, 1997.
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