APA ציטוט

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

Trích dẫn kiểu Chicago

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

ציטוט MLA

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