Tirona, G. A. (1998). More women managers seen in next millennium. Philippine Star.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTirona, Gertie Ampil. "More Women Managers Seen in Next Millennium." Philippine Star 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रTirona, Gertie Ampil. "More Women Managers Seen in Next Millennium." Philippine Star, 1998.
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