APA
UNITED NATIONS E. (. C. f., UNITED NATIONS E. (. C. f., . (1974). Building regulations in ECE countries. New York: United Nations.
Chicago
UNITED NATIONS EUROPE (ECONOMIC Commission for-), UNITED NATIONS EUROPE (ECONOMIC Commission for-), . 1974. Building regulations in ECE countries. New York: United Nations.
Harvard
UNITED NATIONS E. (. C. f., UNITED NATIONS E. (. C. f., . (1974). Building regulations in ECE countries. New York: United Nations.
MLA
UNITED NATIONS EUROPE (ECONOMIC Commission for-), UNITED NATIONS EUROPE (ECONOMIC Commission for-), . Building regulations in ECE countries. New York: United Nations. 1974.
