Παραπομπή σε μορφή APA (7η εκδ.)

Philippines. Department of Public Works and Highways & Cantero, P. A. V. (2008). Public Works at 110: Service solid & strong. Department of Public Works and Highways.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Philippines. Department of Public Works and Highways και Patricia Ann V. Cantero. Public Works at 110: Service Solid & Strong. [Manila: Department of Public Works and Highways, 2008.

Παραπομπή σε μορφή MLA (9th εκδ.)

Philippines. Department of Public Works and Highways και Patricia Ann V. Cantero. Public Works at 110: Service Solid & Strong. Department of Public Works and Highways, 2008.