WHO International Reference Centre for Community Water Supply. (1973). The purification of water on a small scale. [I.R.C.].
Chicago Style (17th ed.) CitationWHO International Reference Centre for Community Water Supply. The Purification of Water on a Small Scale. The Hague, The Netherlands: [I.R.C.], 1973.
MLA (9th ed.) CitationWHO International Reference Centre for Community Water Supply. The Purification of Water on a Small Scale. [I.R.C.], 1973.
Warning: These citations may not always be 100% accurate.