Rodriguez, T. A. (2014). Sta. Maria, Ilocos Sur's vegetable farmers. Agriculture.
Chicagoスタイル(17版)引用形式Rodriguez, Tony A. "Sta. Maria, Ilocos Sur's Vegetable Farmers." Agriculture 2014.
MLA(9版)引用形式Rodriguez, Tony A. "Sta. Maria, Ilocos Sur's Vegetable Farmers." Agriculture, 2014.
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