(1930). Missouri State Highway Commission: Standard specifications for state roads, materials, bridges, culverts and incidental structures (form P). Botz-Hugh Stephens Press Jefferson City.
Cita Chicago Style (17a ed.)Missouri State Highway Commission: Standard Specifications for State Roads, Materials, Bridges, Culverts and Incidental Structures (form P). Missouri: Botz-Hugh Stephens Press Jefferson City, 1930.
Cita MLA (9a ed.)Missouri State Highway Commission: Standard Specifications for State Roads, Materials, Bridges, Culverts and Incidental Structures (form P). Botz-Hugh Stephens Press Jefferson City, 1930.