Lua APA (7ú heag.)

Endriga, M. Y. (1999). NDTN ends PLDT monopoly of transmission network. Philippine Star.

Lua i Stíl Chicago (17ú heag.)

Endriga, Marigold Yao. "NDTN Ends PLDT Monopoly of Transmission Network." Philippine Star 1999.

Lua MLA (9ú heag.)

Endriga, Marigold Yao. "NDTN Ends PLDT Monopoly of Transmission Network." Philippine Star, 1999.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.