Eugenio, H. V. (1998). PANA turns pro-active to cope with the times, good and bad. Manila Times.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रEugenio, Haidee V. "PANA Turns Pro-active to Cope with the Times, Good and Bad." Manila Times 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रEugenio, Haidee V. "PANA Turns Pro-active to Cope with the Times, Good and Bad." Manila Times, 1998.
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