McCullough, C. B. (1937). Determination of highway system solvencies. Oregon State highway commission.
Citação norma ChicagoMcCullough, Conde B. Determination of Highway System Solvencies. Salem,: Oregon State highway commission, 1937.
Citação norma MLAMcCullough, Conde B. Determination of Highway System Solvencies. Oregon State highway commission, 1937.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.