Missouri State Highway Departament. Bureau of Maintenance. (1930). Specifications for trimming trees. Missouri State Highway Departament. Bureau of Maintenance.
Cita Chicago (17th ed.)Missouri State Highway Departament. Bureau of Maintenance. Specifications for Trimming Trees. Jefferson city, Mo.: Missouri State Highway Departament. Bureau of Maintenance, 1930.
Cita MLA (9th ed.)Missouri State Highway Departament. Bureau of Maintenance. Specifications for Trimming Trees. Missouri State Highway Departament. Bureau of Maintenance, 1930.
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