APA (7 ম সংস্করণ) উদ্ধৃতি

(2001). Microorganisms in activated sludge and biofilm processes: 3rd IWA International specialised conference (13-15 june 2001, Rome).

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Microorganisms in Activated Sludge and Biofilm Processes: 3rd IWA International Specialised Conference (13-15 June 2001, Rome). 2001.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Microorganisms in Activated Sludge and Biofilm Processes: 3rd IWA International Specialised Conference (13-15 June 2001, Rome). 2001.