APA
United Nations. Economic And Social Commission For Asia And The Pacific, United Nations. Economic And Social Commission For Asia And The Pacific, . (1989). Development and consevation of ground-water resour. New York: Untied Nations U S A.
Chicago
United Nations. Economic And Social Commission For Asia And The Pacific, United Nations. Economic And Social Commission For Asia And The Pacific, . 1989. Development and consevation of ground-water resour. New York: Untied Nations U S A.
Harvard
United Nations. Economic And Social Commission For Asia And The Pacific, United Nations. Economic And Social Commission For Asia And The Pacific, . (1989). Development and consevation of ground-water resour. New York: Untied Nations U S A.
MLA
United Nations. Economic And Social Commission For Asia And The Pacific, United Nations. Economic And Social Commission For Asia And The Pacific, . Development and consevation of ground-water resour. New York: Untied Nations U S A. 1989.