Sears, G. M. (1982). First steps in photogrammetry. North East London Polytechnic, Department of Land Surveying.
Chicago Style (17th ed.) CitationSears, G. M. First Steps in Photogrammetry. [London]: North East London Polytechnic, Department of Land Surveying, 1982.
MLA (9th ed.) CitationSears, G. M. First Steps in Photogrammetry. North East London Polytechnic, Department of Land Surveying, 1982.
Warning: These citations may not always be 100% accurate.