Associated Press. (2012). Colombia's president has prostate cancer. Philippine Daily Inquirer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAssociated Press. "Colombia's President Has Prostate Cancer." Philippine Daily Inquirer 2012.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAssociated Press. "Colombia's President Has Prostate Cancer." Philippine Daily Inquirer, 2012.
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