Aguirre, A. (2000). Constitutionalism: Key to political stability. Manila Bulletin.
Čikaški stil citiranja (17. izdanje)Aguirre, Alexander. "Constitutionalism: Key to Political Stability." Manila Bulletin 2000.
MLA način citiranja (9. izdanje)Aguirre, Alexander. "Constitutionalism: Key to Political Stability." Manila Bulletin, 2000.
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