APA (7e ed.) Bronvermelding

Não informado. (1992). Water Environment Research. Water Environment Federation.

Chicago (17e ed.) Bronvermelding

Não informado. Water Environment Research. Alexandria, Va: Water Environment Federation, 1992.

MLA (8e ed.) Bronvermelding

Não informado. Water Environment Research. Water Environment Federation, 1992.

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