Cita APA (7th ed.)

Del Rosario, J. T. (1999). State of telecommunication. IBON Facts & Figures.

Cita Chicago (17th ed.)

Del Rosario, Jennifer T. "State of Telecommunication." IBON Facts & Figures 1999.

Cita MLA (9th ed.)

Del Rosario, Jennifer T. "State of Telecommunication." IBON Facts & Figures, 1999.