Coronel, L. V. (1997). Gun today, gone tomorrow. IN Commentary [column]. Philippine Daily Inquirer.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCoronel, Leandro V. "Gun Today, Gone Tomorrow. IN Commentary [column]." Philippine Daily Inquirer 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCoronel, Leandro V. "Gun Today, Gone Tomorrow. IN Commentary [column]." Philippine Daily Inquirer, 1997.
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