(2001). living dangerously with smoking , air pollution. Philippine Star.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"Living Dangerously with Smoking , Air Pollution." Philippine Star 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्र"Living Dangerously with Smoking , Air Pollution." Philippine Star, 2001.
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