APA (7 ম সংস্করণ) উদ্ধৃতি

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.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

International 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.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

International 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.