National Research Council (U.S.). Highway Research Board. (1961). Photogrammetry and aerial surveys: Developments and applications-1961. National Academy of Science - National Research Council.
Lua i Stíl Chicago (17ú heag.)National Research Council (U.S.). Highway Research Board. Photogrammetry and Aerial Surveys: Developments and Applications-1961. Washington, D.C: National Academy of Science - National Research Council, 1961.
Lua MLA (9ú heag.)National Research Council (U.S.). Highway Research Board. Photogrammetry and Aerial Surveys: Developments and Applications-1961. National Academy of Science - National Research Council, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.