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