APA (7e ed.) Bronvermelding

Não informado. (1970). Air pollution abstracts. Air Pollution Technical Information Center.

Chicago (17e ed.) Bronvermelding

Não informado. Air Pollution Abstracts. Research Triangle Park, NC: Air Pollution Technical Information Center, 1970.

MLA (8e ed.) Bronvermelding

Não informado. Air Pollution Abstracts. Air Pollution Technical Information Center, 1970.

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