(2010). The Lampisa system of water distribution among Sagada's I-Pidlisan. Hapit.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"The Lampisa System of Water Distribution Among Sagada's I-Pidlisan." Hapit 2010.
एमएलए (9वां संस्करण) प्रशस्ति पत्र"The Lampisa System of Water Distribution Among Sagada's I-Pidlisan." Hapit, 2010.
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