Rosario, B. R. (2021). Davao City is PH chocolate, cacao production capital. Manila Bulletin.
Chicagoスタイル(17版)引用形式Rosario, Ben R. "Davao City Is PH Chocolate, Cacao Production Capital." Manila Bulletin 2021.
MLA(9版)引用形式Rosario, Ben R. "Davao City Is PH Chocolate, Cacao Production Capital." Manila Bulletin, 2021.
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