Seminar on Surveying and Land Economy in Sri Lanka Colombo & Commonwealth Association of Surveying and Land Economy. (1974). Report of the proceedings of a seminar on surveying and land economy in Sri Lanka, held at the Bandaranaike Memorial International Conference Hall, Colombo, on 2-4 October 1974. Commonwealth Association of Surveying and Land Economy.
芝加哥风格引文Seminar on Surveying and Land Economy in Sri Lanka Colombo 与 Commonwealth Association of Surveying and Land Economy. Report of the Proceedings of a Seminar on Surveying and Land Economy in Sri Lanka, Held at the Bandaranaike Memorial International Conference Hall, Colombo, on 2-4 October 1974. London: Commonwealth Association of Surveying and Land Economy, 1974.
MLA引文Seminar on Surveying and Land Economy in Sri Lanka Colombo 与 Commonwealth Association of Surveying and Land Economy. Report of the Proceedings of a Seminar on Surveying and Land Economy in Sri Lanka, Held at the Bandaranaike Memorial International Conference Hall, Colombo, on 2-4 October 1974. Commonwealth Association of Surveying and Land Economy, 1974.