APA (7e ed.) Bronvermelding

Não informado. (2004). Sewage Works Journal. Federation of Sewage Works Associations.

Chicago (17e ed.) Bronvermelding

Não informado. Sewage Works Journal. Easton, Pa: Federation of Sewage Works Associations, 2004.

MLA (8e ed.) Bronvermelding

Não informado. Sewage Works Journal. Federation of Sewage Works Associations, 2004.

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