Brockenbrough, R. L. Highway engineering handbook: Building and rehabilitating the infrastructure (3a ed.).
Citazione stile Chigago Style (17a edizione)Brockenbrough, Roger L. Highway Engineering Handbook: Building and Rehabilitating the Infrastructure. 3a ed.
Citatione MLA (8a ed.)Brockenbrough, Roger L. Highway Engineering Handbook: Building and Rehabilitating the Infrastructure. 3a ed.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.