UK National Land Surveying and Mapping Conference (1981 : Reading, United Kingdom), & Royal Institution of Chartered Surveyors. (1981). Survey and mapping 81. Royal Institution of Chartered Surveyors].
Chicago Style (17th ed.) CitationUK National Land Surveying and Mapping Conference (1981 : Reading, United Kingdom), and Royal Institution of Chartered Surveyors. Survey and Mapping 81. [London: Royal Institution of Chartered Surveyors], 1981.
MLA (9th ed.) CitationUK National Land Surveying and Mapping Conference (1981 : Reading, United Kingdom), and Royal Institution of Chartered Surveyors. Survey and Mapping 81. Royal Institution of Chartered Surveyors], 1981.
Warning: These citations may not always be 100% accurate.