APA aipamena

Thompson, G. R. (2007). Earth science and the environment. Belmont, CA: Thomson Brooks/Cole.

Chicago Style aipamena

Thompson, Graham R. Earth Science and the Environment. Belmont, CA: Thomson Brooks/Cole, 2007.

MLA aipamena

Thompson, Graham R. Earth Science and the Environment. Belmont, CA: Thomson Brooks/Cole, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.