APA (7e ed.) Bronvermelding

Thompson, G. R. (1999). Earth science and the environment (2nd ed.). Harcourt Brace College Publishers.

Chicago (17e ed.) Bronvermelding

Thompson, Graham R. Earth Science and the Environment. 2nd ed. Fort Worth: Harcourt Brace College Publishers, 1999.

MLA (9e ed.) Bronvermelding

Thompson, Graham R. Earth Science and the Environment. 2nd ed. Harcourt Brace College Publishers, 1999.