Sarmiento, P. (1998). Escudero launches program to boost rubber production. Manila Times.
Chicagoスタイル(17版)引用形式Sarmiento, Prime. "Escudero Launches Program to Boost Rubber Production." Manila Times 1998.
MLA(9版)引用形式Sarmiento, Prime. "Escudero Launches Program to Boost Rubber Production." Manila Times, 1998.
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