Generoso, E. (1998). Billions lost to cutting of trees. Manila Times.
Chicagoスタイル(17版)引用形式Generoso, Ernesto. "Billions Lost to Cutting of Trees." Manila Times 1998.
MLA(9版)引用形式Generoso, Ernesto. "Billions Lost to Cutting of Trees." Manila Times, 1998.
警告: この引用は必ずしも正確ではありません.