Olchondra, R. T. Mindanao seen ready for electricity spot market. IN Business. Philippine Daily Inquirer.
Lua i Stíl Chicago (17ú heag.)Olchondra, Riza T. "Mindanao Seen Ready for Electricity Spot Market. IN Business." Philippine Daily Inquirer .
Lua MLA (9ú heag.)Olchondra, Riza T. "Mindanao Seen Ready for Electricity Spot Market. IN Business." Philippine Daily Inquirer, .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.