American Public Health Association. (2012). Standard methods: For the examination of water and wastewater. Washington DC: American Public Health Association.
Trích dẫn kiểu ChicagoAmerican Public Health Association. Standard Methods: For the Examination of Water and Wastewater. Washington DC: American Public Health Association, 2012.
Deismireacht MLAAmerican Public Health Association. Standard Methods: For the Examination of Water and Wastewater. Washington DC: American Public Health Association, 2012.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.