Roa, A. G. (2018). More people believe drugs thrive-poll. Philippine Daily Inquirer.
Chicagoスタイル(17版)引用形式Roa, Ana G. "More People Believe Drugs Thrive-poll." Philippine Daily Inquirer 2018.
MLA(9版)引用形式Roa, Ana G. "More People Believe Drugs Thrive-poll." Philippine Daily Inquirer, 2018.
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