Water and Wastewater Design and Research,C. E. (1998). How is Sewage Treated? (Activated Sludge 3). Journal of Water and Wastewater; Ab va Fazilab (in persian), 8(4), 60-65. doi: 10.22093/wwj.1998.174220
MLA
Water and Wastewater Design and Research,C. E. . "How is Sewage Treated? (Activated Sludge 3)", Journal of Water and Wastewater; Ab va Fazilab (in persian), 8, 4, 1998, 60-65. doi: 10.22093/wwj.1998.174220
HARVARD
Water and Wastewater Design and Research C. E. (1998). 'How is Sewage Treated? (Activated Sludge 3)', Journal of Water and Wastewater; Ab va Fazilab (in persian), 8(4), pp. 60-65. doi: 10.22093/wwj.1998.174220
CHICAGO
C. E. Water and Wastewater Design and Research, "How is Sewage Treated? (Activated Sludge 3)," Journal of Water and Wastewater; Ab va Fazilab (in persian), 8 4 (1998): 60-65, doi: 10.22093/wwj.1998.174220
VANCOUVER
Water and Wastewater Design and Research C. E. How is Sewage Treated? (Activated Sludge 3). Journal of Water and Wastewater; Ab va Fazilab (in persian), 1998; 8(4): 60-65. doi: 10.22093/wwj.1998.174220
