APA

(1991). Rational use of water and its treatment in the chemical industry. New York: United Nations.

Chicago

1991. Rational use of water and its treatment in the chemical industry. New York: United Nations.

Harvard

(1991). Rational use of water and its treatment in the chemical industry. New York: United Nations.

MLA

Rational use of water and its treatment in the chemical industry. New York: United Nations. 1991.