Não informado. (1901). Journal and Proceedings of the Institution of Sewage Purification. Institute of Sewage and Purification.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Journal and Proceedings of the Institution of Sewage Purification. London: Institute of Sewage and Purification, 1901.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Journal and Proceedings of the Institution of Sewage Purification. Institute of Sewage and Purification, 1901.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.