Jorge, R. (2009). Lawyer Antonio Oposa Jr: Method to his 'madness'. Manila Times.
Chicago Style (17. basım) AtıfJorge, Rome. "Lawyer Antonio Oposa Jr: Method to His 'Madness'." Manila Times 2009.
MLA (9th ed.) AtıfJorge, Rome. "Lawyer Antonio Oposa Jr: Method to His 'Madness'." Manila Times, 2009.
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