Teves, R. M. (1999). Islamic state in a federal system. IN Dugong Mindanaw [column]. Philippine Daily Inquirer.
Chicago-viite (17. p.)Teves, Rey Magno. "Islamic State in a Federal System. IN Dugong Mindanaw [column]." Philippine Daily Inquirer 1999.
MLA-viite (9. p.)Teves, Rey Magno. "Islamic State in a Federal System. IN Dugong Mindanaw [column]." Philippine Daily Inquirer, 1999.
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