Villafuerte, N. F. (2011). New BSP circular on credit card transactions. IN Export action line [column]. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVillafuerte, Nelly Favis. "New BSP Circular on Credit Card Transactions. IN Export Action Line [column]." Manila Bulletin 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVillafuerte, Nelly Favis. "New BSP Circular on Credit Card Transactions. IN Export Action Line [column]." Manila Bulletin, 2011.
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