Papa, J. (2001). Recycling NGO wins Asian waste management award. Philippine Daily Inquirer.
Chicagoスタイル(17版)引用形式Papa, Joey. "Recycling NGO Wins Asian Waste Management Award." Philippine Daily Inquirer 2001.
MLA(9版)引用形式Papa, Joey. "Recycling NGO Wins Asian Waste Management Award." Philippine Daily Inquirer, 2001.
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