(2000). Heart risks of drinking coffee, getting angry, and snoring. Manila Times.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र"Heart Risks of Drinking Coffee, Getting Angry, and Snoring." Manila Times 2000.
एमएलए (9वां संस्करण) प्रशस्ति पत्र"Heart Risks of Drinking Coffee, Getting Angry, and Snoring." Manila Times, 2000.
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