APA
United Nations E. a. S. C. f. A. a. t. P., . (1986). Techno-economic study of natural gas production and use. New York: United Nations.
Chicago
United Nations Economic and Social Commission for Asia and the Pacific, . 1986. Techno-economic study of natural gas production and use. New York: United Nations.
Harvard
United Nations E. a. S. C. f. A. a. t. P., . (1986). Techno-economic study of natural gas production and use. New York: United Nations.
MLA
United Nations Economic and Social Commission for Asia and the Pacific, . Techno-economic study of natural gas production and use. New York: United Nations. 1986.