APA
"United Nations E. C. F. A. A. T. F. E., "United Nations E. C. F. A. A. T. F. E., . (1972). Cost estmation of water resoruces projects. New: York United Nations U S A.
Chicago
"United Nations Economic Commission For Asia And The Far East", "United Nations Economic Commission For Asia And The Far East", . 1972. Cost estmation of water resoruces projects. New: York United Nations U S A.
Harvard
"United Nations E. C. F. A. A. T. F. E., "United Nations E. C. F. A. A. T. F. E., . (1972). Cost estmation of water resoruces projects. New: York United Nations U S A.
MLA
"United Nations Economic Commission For Asia And The Far East", "United Nations Economic Commission For Asia And The Far East", . Cost estmation of water resoruces projects. New: York United Nations U S A. 1972.