APA
Commonwealth Association of Surveying and Land Economy, . (1977). Third general assembly Accra, Ghana, 28 March - 3 April 1977: [report of proceedings]. London: CASLE.
Chicago
Commonwealth Association of Surveying and Land Economy, . 1977. Third general assembly Accra, Ghana, 28 March - 3 April 1977: [report of proceedings]. London: CASLE.
Harvard
Commonwealth Association of Surveying and Land Economy, . (1977). Third general assembly Accra, Ghana, 28 March - 3 April 1977: [report of proceedings]. London: CASLE.
MLA
Commonwealth Association of Surveying and Land Economy, . Third general assembly Accra, Ghana, 28 March - 3 April 1977: [report of proceedings]. London: CASLE. 1977.
