Παραπομπή σε μορφή APA (7η εκδ.)

Cruz, I. A. (2005). The power of legislative investigation. IN Separate opinion [column]. Philippine Daily Inquirer.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Cruz, Isagani A. "The Power of Legislative Investigation. IN Separate Opinion [column]." Philippine Daily Inquirer 2005.

Παραπομπή σε μορφή MLA (9th εκδ.)

Cruz, Isagani A. "The Power of Legislative Investigation. IN Separate Opinion [column]." Philippine Daily Inquirer, 2005.