APA (7e ed.) Bronvermelding

(1994). Environmental science: Hazardous gas and hazardous waste. Commonwealth.

Chicago (17e ed.) Bronvermelding

Environmental Science: Hazardous Gas and Hazardous Waste. New Delhi: Commonwealth, 1994.

MLA (9e ed.) Bronvermelding

Environmental Science: Hazardous Gas and Hazardous Waste. Commonwealth, 1994.