Samaniego, T. S. Green technology gives tunnel new light. IN Property. Philippine Daily Inquirer.
Čikaški stil citiranja (17. izdanje)Samaniego, Theresa S. "Green Technology Gives Tunnel New Light. IN Property." Philippine Daily Inquirer .
MLA način citiranja (9. izdanje)Samaniego, Theresa S. "Green Technology Gives Tunnel New Light. IN Property." Philippine Daily Inquirer, .
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