Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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