APA (7e ed.) Bronvermelding

Não informado. (1991). International Journal of Environment and Pollution. Inderscience Enterprises.

Chicago (17e ed.) Bronvermelding

Não informado. International Journal of Environment and Pollution. Geneva, Suíça: Inderscience Enterprises, 1991.

MLA (8e ed.) Bronvermelding

Não informado. International Journal of Environment and Pollution. Inderscience Enterprises, 1991.

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