APA (7e ed.) Bronvermelding

Não informado. (1977). Water quality international. International Association on Water Pollution Research and Control.

Chicago (17e ed.) Bronvermelding

Não informado. Water Quality International. London: International Association on Water Pollution Research and Control, 1977.

MLA (8e ed.) Bronvermelding

Não informado. Water Quality International. International Association on Water Pollution Research and Control, 1977.

Let op: Deze citaties zijn niet altijd 100% accuraat.