Cita APA (7th ed.)

Philippines. Department of Public Works and Highways. (2009). Roads in the Philippines 2008. DPWH.

Cita Chicago (17th ed.)

Philippines. Department of Public Works and Highways. Roads in the Philippines 2008. Manila: DPWH, 2009.

Cita MLA (9th ed.)

Philippines. Department of Public Works and Highways. Roads in the Philippines 2008. DPWH, 2009.