Punongbayan, M. Magnitude-6.1 quake jolts MM, Batangas. The Philippine Star..
Chicagoスタイル(17版)引用形式Punongbayan, Michael. "Magnitude-6.1 Quake Jolts MM, Batangas." The Philippine Star. .
MLA(9版)引用形式Punongbayan, Michael. "Magnitude-6.1 Quake Jolts MM, Batangas." The Philippine Star., .
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