Villanueva, O. (1997). Volvo sales to hit P1.5b this year. Manila Chronicle.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रVillanueva, Othel. "Volvo Sales to Hit P1.5b This Year." Manila Chronicle 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रVillanueva, Othel. "Volvo Sales to Hit P1.5b This Year." Manila Chronicle, 1997.
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