Fernandes, V. M. C., & Gonçalves, O. M. (2008). Analysis of the use of air-admittance valves in Brazilian sanitary sewer systems. ANTAC - Associação Nacional de Tecnologia do Ambiente Construído.
শিকাগো স্টাইলে সাইটেশনFernandes, Vera Maria Cartana, এবং Orestes Marraccini Gonçalves. Analysis of the Use of Air-admittance Valves in Brazilian Sanitary Sewer Systems. ANTAC - Associação Nacional de Tecnologia do Ambiente Construído, 2008.
এমএলএ সাইটেশনFernandes, Vera Maria Cartana, এবং Orestes Marraccini Gonçalves. Analysis of the Use of Air-admittance Valves in Brazilian Sanitary Sewer Systems. ANTAC - Associação Nacional de Tecnologia do Ambiente Construído, 2008.
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