APA
"United Nations E. C. F. E., "United Nations E. C. F. E., . (1985). Impact of non-conventional sources of energy on water. New: York United Nations U S A.
Chicago
"United Nations Economics Commission For Europe", "United Nations Economics Commission For Europe", . 1985. Impact of non-conventional sources of energy on water. New: York United Nations U S A.
Harvard
"United Nations E. C. F. E., "United Nations E. C. F. E., . (1985). Impact of non-conventional sources of energy on water. New: York United Nations U S A.
MLA
"United Nations Economics Commission For Europe", "United Nations Economics Commission For Europe", . Impact of non-conventional sources of energy on water. New: York United Nations U S A. 1985.
