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.
Citação do estilo Chicago (17ª ed.)Philippines. Department of Public Works and Highways e Patricia Ann V. Cantero. Public Works at 110: Service Solid & Strong. [Manila: Department of Public Works and Highways, 2008.
Citação MLA (9ª ed.)Philippines. Department of Public Works and Highways e Patricia Ann V. Cantero. Public Works at 110: Service Solid & Strong. Department of Public Works and Highways, 2008.
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