Citazione Stile APA (7a Edizione)
Colorado. Department of Highways. [Department of Highways State of Colorado: Plan and Profile of Proposed Federal Aid Project].
Citazione stile Chigago Style (17a edizione)
Colorado. Department of Highways. [Department of Highways State of Colorado: Plan and Profile of Proposed Federal Aid Project].
Citatione MLA (9a ed.)
Colorado. Department of Highways. [Department of Highways State of Colorado: Plan and Profile of Proposed Federal Aid Project].
Attenzione: Queste citazioni potrebbero non essere precise al 100%.