Thompson, G. R., & Turk, J. (2005). Earth science and the environment (3rd ed.). Brooks/Cole-Thomson Learning.
Chicago Style aipamenaThompson, Graham R., and Jonathan Turk. Earth Science and the Environment. 3rd ed. Belmont, CA: Brooks/Cole-Thomson Learning, 2005.
MLA aipamenaThompson, Graham R., and Jonathan Turk. Earth Science and the Environment. 3rd ed. Brooks/Cole-Thomson Learning, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.