APA

International Scientific Symposium Colombo S. L. (. ., International Council on Monuments and Sites. General Assembly Colombo S. L. 1. . (. . & International Council of Monuments and Sites. Sri Lanka National Committee. (1993). Economics of conservation. Colombo, Sri Lanka: Sri Lanka National Committee of ICOMOS for the International Council of Monuments and Sites.

Chicago

International Scientific Symposium Colombo Sri Lanka) (1993, International Council on Monuments and Sites. General Assembly Colombo Sri Lanka) 1993 (10th and International Council of Monuments and Sites. Sri Lanka National Committee. 1993. Economics of conservation. Colombo, Sri Lanka: Sri Lanka National Committee of ICOMOS for the International Council of Monuments and Sites.

Harvard

International Scientific Symposium Colombo S. L. (. ., International Council on Monuments and Sites. General Assembly Colombo S. L. 1. . (. . and International Council of Monuments and Sites. Sri Lanka National Committee. (1993). Economics of conservation. Colombo, Sri Lanka: Sri Lanka National Committee of ICOMOS for the International Council of Monuments and Sites.

MLA

International Scientific Symposium Colombo Sri Lanka) (1993, International Council on Monuments and Sites. General Assembly Colombo Sri Lanka) 1993 (10th and International Council of Monuments and Sites. Sri Lanka National Committee. Economics of conservation. Colombo, Sri Lanka: Sri Lanka National Committee of ICOMOS for the International Council of Monuments and Sites. 1993.