Camacho, L. M. (1997). Sustainable waste management in MM. Manila Bulletin.
Chicagoスタイル(17版)引用形式Camacho, Leonarda M. "Sustainable Waste Management in MM." Manila Bulletin 1997.
MLA(9版)引用形式Camacho, Leonarda M. "Sustainable Waste Management in MM." Manila Bulletin, 1997.
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