APA (7e ed.) Bronvermelding

Thompson, G. R., & Turk, J. (2007). Earth science and the environment (Fourth edition.). Thomson Brooks/Cole.

Chicago (17e ed.) Bronvermelding

Thompson, Graham R., en Jonathan Turk. Earth Science and the Environment. Fourth edition. Belmont, California: Thomson Brooks/Cole, 2007.

MLA (9e ed.) Bronvermelding

Thompson, Graham R., en Jonathan Turk. Earth Science and the Environment. Fourth edition. Thomson Brooks/Cole, 2007.