APA (7e ed.) Bronvermelding

Harrison, R. M. (1999). Understanding our environment: An introduction to environmental chemistry and pollution (3rd ed.). Royal Society of Chemistry.

Chicago (17e ed.) Bronvermelding

Harrison, Roy M. Understanding Our Environment: An Introduction to Environmental Chemistry and Pollution. 3rd ed. Cambridge: Royal Society of Chemistry, 1999.

MLA (9e ed.) Bronvermelding

Harrison, Roy M. Understanding Our Environment: An Introduction to Environmental Chemistry and Pollution. 3rd ed. Royal Society of Chemistry, 1999.