Roco, R. S. (2002). Estrada's impeachment trial and the role of literature in legal issues. Unitas.
Chicago Style (17. basım) AtıfRoco, Raul S. "Estrada's Impeachment Trial and the Role of Literature in Legal Issues." Unitas 2002.
MLA (9th ed.) AtıfRoco, Raul S. "Estrada's Impeachment Trial and the Role of Literature in Legal Issues." Unitas, 2002.
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