Heath, W. (1980). Inexpensive aerial photography for highway engineering and traffic studies. Transport and Road Research Laboratory.
Citazione stile Chigago Style (17a edizione)Heath, W. Inexpensive Aerial Photography for Highway Engineering and Traffic Studies. Crowthorne, Berkshire: Transport and Road Research Laboratory, 1980.
Citatione MLA (9a ed.)Heath, W. Inexpensive Aerial Photography for Highway Engineering and Traffic Studies. Transport and Road Research Laboratory, 1980.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.