David, R. G. (2001). Rice importation in a liberalized environment. Philippine Daily Inquirer.
Chicagoスタイル(17版)引用形式David, Romeo G. "Rice Importation in a Liberalized Environment." Philippine Daily Inquirer 2001.
MLA(9版)引用形式David, Romeo G. "Rice Importation in a Liberalized Environment." Philippine Daily Inquirer, 2001.
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