APA
"United Nations E. C. f. E., "United Nations E. C. f. E., . (1981). Development of aircorne equipment to intensify world food production. New: York United Nations USA.
Chicago
"United Nations Economic Commission for Europe", "United Nations Economic Commission for Europe", . 1981. Development of aircorne equipment to intensify world food production. New: York United Nations USA.
Harvard
"United Nations E. C. f. E., "United Nations E. C. f. E., . (1981). Development of aircorne equipment to intensify world food production. New: York United Nations USA.
MLA
"United Nations Economic Commission for Europe", "United Nations Economic Commission for Europe", . Development of aircorne equipment to intensify world food production. New: York United Nations USA. 1981.