International Foundation for Electoral Systems (IFES)., United States Agency for International Development (USAID). (2011). Issues and challenges to dispute resolution under the PCOS automated election system. Libertas.
Chicago Style (17. basım) AtıfInternational Foundation for Electoral Systems (IFES)., United States Agency for International Development (USAID). Issues and Challenges to Dispute Resolution Under the PCOS Automated Election System. Quezon City: Libertas, 2011.
MLA (9th ed.) AtıfInternational Foundation for Electoral Systems (IFES)., United States Agency for International Development (USAID). Issues and Challenges to Dispute Resolution Under the PCOS Automated Election System. Libertas, 2011.
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