APA

Dumbleton M., . (1983). Air photographs for investigating natural changes, past use and present condition of engineering sites. Crowthorne: Transport and Road Research Laboratory. Laboratory report 1085.

Chicago

Dumbleton MJ, . 1983. Air photographs for investigating natural changes, past use and present condition of engineering sites. Crowthorne: Transport and Road Research Laboratory. Laboratory report 1085.

Harvard

Dumbleton M., . (1983). Air photographs for investigating natural changes, past use and present condition of engineering sites. Crowthorne: Transport and Road Research Laboratory. Laboratory report 1085.

MLA

Dumbleton MJ, . Air photographs for investigating natural changes, past use and present condition of engineering sites. Crowthorne: Transport and Road Research Laboratory. Laboratory report 1085. 1983.