(2004). Road safety design manual: Highway safety design standards, part 1. Department of Public Works and Highways.
Chicago Style (17th ed.) CitationRoad Safety Design Manual: Highway Safety Design Standards, Part 1. Quezon City: Department of Public Works and Highways, 2004.
MLA (9th ed.) CitationRoad Safety Design Manual: Highway Safety Design Standards, Part 1. Department of Public Works and Highways, 2004.
Warning: These citations may not always be 100% accurate.