Velez, F. C. Bulacan Gov. Promotes Organic Farming. Manila Bulletin.
Chicagoスタイル(17版)引用形式Velez, Freddie C. "Bulacan Gov. Promotes Organic Farming." Manila Bulletin .
MLA(9版)引用形式Velez, Freddie C. "Bulacan Gov. Promotes Organic Farming." Manila Bulletin, .
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