Payumo, F. C. (1999). Industrial peace plus skilled labor. Manila Bulletin.
Chicagoスタイル(17版)引用形式Payumo, Felicito C. "Industrial Peace Plus Skilled Labor." Manila Bulletin 1999.
MLA(9版)引用形式Payumo, Felicito C. "Industrial Peace Plus Skilled Labor." Manila Bulletin, 1999.
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