Geenroso, E. (1999). Asian crisis makes management of ecozones jittery. Philippine Star.
Chicagoスタイル(17版)引用形式Geenroso, Ernesto. "Asian Crisis Makes Management of Ecozones Jittery." Philippine Star 1999.
MLA(9版)引用形式Geenroso, Ernesto. "Asian Crisis Makes Management of Ecozones Jittery." Philippine Star, 1999.
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