APA
United Nations G. O. . E. C. F. E., United Nations G. O. . E. C. F. E., . (1994). Effects and control of longrange transboundary air. New York: United Nation U S A.
Chicago
United Nations Government Of Economics Commission For Europe, United Nations Government Of Economics Commission For Europe, . 1994. Effects and control of longrange transboundary air. New York: United Nation U S A.
Harvard
United Nations G. O. . E. C. F. E., United Nations G. O. . E. C. F. E., . (1994). Effects and control of longrange transboundary air. New York: United Nation U S A.
MLA
United Nations Government Of Economics Commission For Europe, United Nations Government Of Economics Commission For Europe, . Effects and control of longrange transboundary air. New York: United Nation U S A. 1994.
