Timonera, B. (2001). GMA wants mothballed national steel to reopen. Manila Times.
Chicagoスタイル(17版)引用形式Timonera, Bobby. "GMA Wants Mothballed National Steel to Reopen." Manila Times 2001.
MLA(9版)引用形式Timonera, Bobby. "GMA Wants Mothballed National Steel to Reopen." Manila Times, 2001.
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