APA (7e ed.) Bronvermelding

Não informado. (1969). Pollution Engineering. Technical Publishing Corporation.

Chicago (17e ed.) Bronvermelding

Não informado. Pollution Engineering. Chicago, Ill: Technical Publishing Corporation, 1969.

MLA (8e ed.) Bronvermelding

Não informado. Pollution Engineering. Technical Publishing Corporation, 1969.

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