Samaniego, T. S. Green technology gives tunnel new light. IN Property. Philippine Daily Inquirer.
Lua i Stíl Chicago (17ú heag.)Samaniego, Theresa S. "Green Technology Gives Tunnel New Light. IN Property." Philippine Daily Inquirer .
Lua MLA (9ú heag.)Samaniego, Theresa S. "Green Technology Gives Tunnel New Light. IN Property." Philippine Daily Inquirer, .
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.