Ackerman, E. A., & Lof, G. O. G. (1959). Technology in American water development. Published for Resources for the Future by Johns Hopkins Press.
Lua i Stíl Chicago (17ú heag.)Ackerman, Edward Augustus, agus George O G. Lof. Technology in American Water Development. Baltimore: Published for Resources for the Future by Johns Hopkins Press, 1959.
Lua MLA (8ú heag.)Ackerman, Edward Augustus, agus George O G. Lof. Technology in American Water Development. Published for Resources for the Future by Johns Hopkins Press, 1959.
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