APA (7 वां संस्करण) प्रशस्ति पत्र

Calabia, R. A. (2001). Tribes, NGOs up in arms against government dams. Manila Times.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Calabia, Rachel Anne. "Tribes, NGOs Up in Arms Against Government Dams." Manila Times 2001.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Calabia, Rachel Anne. "Tribes, NGOs Up in Arms Against Government Dams." Manila Times, 2001.