Cruz, I. A. (2005). The power of legislative investigation. IN Separate opinion [column]. Philippine Daily Inquirer.
Chicago Style (17. basım) AtıfCruz, Isagani A. "The Power of Legislative Investigation. IN Separate Opinion [column]." Philippine Daily Inquirer 2005.
MLA (9th ed.) AtıfCruz, Isagani A. "The Power of Legislative Investigation. IN Separate Opinion [column]." Philippine Daily Inquirer, 2005.
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