APA (7e ed.) Bronvermelding

Chiras, D. D. (2001). Environmental science: Creating a sustainable future (6th ed.). Jones and Bartlett Publishers.

Chicago (17e ed.) Bronvermelding

Chiras, Daniel D. Environmental Science: Creating a Sustainable Future. 6th ed. Sudbury, MA: Jones and Bartlett Publishers, 2001.

MLA (9e ed.) Bronvermelding

Chiras, Daniel D. Environmental Science: Creating a Sustainable Future. 6th ed. Jones and Bartlett Publishers, 2001.