Philippines. Provincial Planning and Development Office. (2001). Socio-economic profile: Ifugao. Provincial Planning and Development Office.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPhilippines. Provincial Planning and Development Office. Socio-economic Profile: Ifugao. Ifugao: Provincial Planning and Development Office, 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPhilippines. Provincial Planning and Development Office. Socio-economic Profile: Ifugao. Provincial Planning and Development Office, 2001.
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