Mitchell, E. G., & Thrower, S. E. (1960). Sanitation, drainage and water supply (6th ed.). London: George Newnes.
Παραπομπή Chicago StyleMitchell, Eric G., and S. E. Thrower. Sanitation, Drainage and Water Supply. 6th ed. London: George Newnes, 1960.
Παραπομπή MLAMitchell, Eric G., and S. E. Thrower. Sanitation, Drainage and Water Supply. 6th ed. London: George Newnes, 1960.
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