Sales, A. (2001). Globalization wrecks local grape growers. IN Sales talk [column]. Manila Bulletin.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSales, Arthur. "Globalization Wrecks Local Grape Growers. IN Sales Talk [column]." Manila Bulletin 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSales, Arthur. "Globalization Wrecks Local Grape Growers. IN Sales Talk [column]." Manila Bulletin, 2001.
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