Loyola, J. A. (1999). NPC tape in sales, SMC in income. Manila Bulletin.
Chicagoスタイル(17版)引用形式Loyola, James A. "NPC Tape in Sales, SMC in Income." Manila Bulletin 1999.
MLA(9版)引用形式Loyola, James A. "NPC Tape in Sales, SMC in Income." Manila Bulletin, 1999.
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