Davide, H. G. (1999). Speeches, press reviews, decisions on right to balanced and healthful ecology and other selected decisions, criculars/orders. Office of the Chief Justice, Supreme Court of the Philippines.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDavide, Hilario G. Speeches, Press Reviews, Decisions on Right to Balanced and Healthful Ecology and Other Selected Decisions, Criculars/orders. Manila: Office of the Chief Justice, Supreme Court of the Philippines, 1999.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDavide, Hilario G. Speeches, Press Reviews, Decisions on Right to Balanced and Healthful Ecology and Other Selected Decisions, Criculars/orders. Office of the Chief Justice, Supreme Court of the Philippines, 1999.
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