Nesaratnam,Suresh. (2003). Environmental Control and Public Health: Water Pollution Control (2nd ed.). Milton Keynes MK7.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua i Stíl Chicago (17ú heag.)
Nesaratnam,Suresh. Environmental Control and Public Health: Water Pollution Control. 2nd ed. United Kingdom: Milton Keynes MK7, 2003.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Lua MLA (9ú heag.)
Nesaratnam,Suresh. Environmental Control and Public Health: Water Pollution Control. 2nd ed. Milton Keynes MK7, 2003.
Cóipeáladh chuig an ngearrthaisce go rathúil é
Níorbh fhéidir cóipeáil chuig an ngearrthaisce
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.