APA
Wickramaratchi.U.N.S, . (1981). Survey of World - Wide Irrigation Canal Design Procedures. University of Southampton on faculty of engineering and applied science: U.K.
Chicago
Wickramaratchi.U.N.S, . 1981. Survey of World - Wide Irrigation Canal Design Procedures. University of Southampton on faculty of engineering and applied science: U.K.
Harvard
Wickramaratchi.U.N.S, . (1981). Survey of World - Wide Irrigation Canal Design Procedures. University of Southampton on faculty of engineering and applied science: U.K.
MLA
Wickramaratchi.U.N.S, . Survey of World - Wide Irrigation Canal Design Procedures. University of Southampton on faculty of engineering and applied science: U.K. 1981.