Citazione APA

(1987). Operation and maintenance of sludge dewatering systems: Manual of practice No. OM-8. Alexandria: World Health Organization (WHO).

Stile di citazione Chicago

Operation and Maintenance of Sludge Dewatering Systems: Manual of Practice No. OM-8. Alexandria: World Health Organization (WHO), 1987.

Citazione MLA

Operation and Maintenance of Sludge Dewatering Systems: Manual of Practice No. OM-8. Alexandria: World Health Organization (WHO), 1987.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.