(1999). Quality watermelon and melon produced in Ilocos Norte. Agriculture.
Chicagoスタイル(17版)引用形式"Quality Watermelon and Melon Produced in Ilocos Norte." Agriculture 1999.
MLA(9版)引用形式"Quality Watermelon and Melon Produced in Ilocos Norte." Agriculture, 1999.
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