APA (7e ed.) Bronvermelding

Não informado. (1961). Water and wastes digest. Scranton Gillette Communications.

Chicago (17e ed.) Bronvermelding

Não informado. Water and Wastes Digest. Chicago, Ill: Scranton Gillette Communications, 1961.

MLA (8e ed.) Bronvermelding

Não informado. Water and Wastes Digest. Scranton Gillette Communications, 1961.

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