American Society of Photogrammetry. Instrumentation Committee. (1980). Analytical Plotter Symposium and Workshop: Under the auspices of the Instrumentation Committee of the American Society of Photogrammetry, April 20-25, 1980, Sheraton Inn/International Conference Center, Reston, Virginia. American Society of Photogrammetry.
Lua i Stíl Chicago (17ú heag.)American Society of Photogrammetry. Instrumentation Committee. Analytical Plotter Symposium and Workshop: Under the Auspices of the Instrumentation Committee of the American Society of Photogrammetry, April 20-25, 1980, Sheraton Inn/International Conference Center, Reston, Virginia. Falls Church, Va.: American Society of Photogrammetry, 1980.
Lua MLA (9ú heag.)American Society of Photogrammetry. Instrumentation Committee. Analytical Plotter Symposium and Workshop: Under the Auspices of the Instrumentation Committee of the American Society of Photogrammetry, April 20-25, 1980, Sheraton Inn/International Conference Center, Reston, Virginia. American Society of Photogrammetry, 1980.