Council of State Governments. (1950). Highway safety. Motor truck regulation. s.n.
Citazione stile Chigago Style (17a edizione)Council of State Governments. Highway Safety. Motor Truck Regulation. Chicago: s.n, 1950.
Citatione MLA (9a ed.)Council of State Governments. Highway Safety. Motor Truck Regulation. s.n, 1950.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.