APA
Commonwealth Association of Surveying and Land Economy, . (1974). Surveying and land economy in Sri Lanka: papers written for a seminar... to be held in Colombo on 2-4 October 1974. London: CASLE.
Chicago
Commonwealth Association of Surveying and Land Economy, . 1974. Surveying and land economy in Sri Lanka: papers written for a seminar... to be held in Colombo on 2-4 October 1974. London: CASLE.
Harvard
Commonwealth Association of Surveying and Land Economy, . (1974). Surveying and land economy in Sri Lanka: papers written for a seminar... to be held in Colombo on 2-4 October 1974. London: CASLE.
MLA
Commonwealth Association of Surveying and Land Economy, . Surveying and land economy in Sri Lanka: papers written for a seminar... to be held in Colombo on 2-4 October 1974. London: CASLE. 1974.
