SCHROEDER, E. D., & SCHROEDER, E. D. (1977). Water And Waster Water Treatment Edward D. Schroeder. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)SCHROEDER, Edward D., agus Edward D. SCHROEDER. Water And Waster Water Treatment Edward D. Schroeder. McGraw-Hill, 1977.
Lua MLA (8ú heag.)SCHROEDER, Edward D., agus Edward D. SCHROEDER. Water And Waster Water Treatment Edward D. Schroeder. McGraw-Hill, 1977.
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