Gaya APA

Dumbleton, M.J.. (1983). Air photographs for investigating natural changes, past use and present condition of engineering sites . : TRRL.

Gaya Chicago

Dumbleton, M.J.. Air photographs for investigating natural changes, past use and present condition of engineering sites. : TRRL, 1983. Chart.

Gaya MLA

Dumbleton, M.J.. Air photographs for investigating natural changes, past use and present condition of engineering sites. : TRRL, 1983. Chart.

Gaya Turabian

Dumbleton, M.J.. Air photographs for investigating natural changes, past use and present condition of engineering sites. : TRRL, 1983. Chart.