APA

Commonwealth Association of Surveying and Land Economy, . (1969). Report of a Conference held in London in August 1968 to discuss the formation of the Association, together with a provisional constitution for the Association and proposals for establishing the Association in September 1969. London: CASLE.

Chicago

Commonwealth Association of Surveying and Land Economy, . 1969. Report of a Conference held in London in August 1968 to discuss the formation of the Association, together with a provisional constitution for the Association and proposals for establishing the Association in September 1969. London: CASLE.

Harvard

Commonwealth Association of Surveying and Land Economy, . (1969). Report of a Conference held in London in August 1968 to discuss the formation of the Association, together with a provisional constitution for the Association and proposals for establishing the Association in September 1969. London: CASLE.

MLA

Commonwealth Association of Surveying and Land Economy, . Report of a Conference held in London in August 1968 to discuss the formation of the Association, together with a provisional constitution for the Association and proposals for establishing the Association in September 1969. London: CASLE. 1969.