Brooks, C., Butt, G., & Fargher, M. (2017). The power of geographical thinking (1a. ed.). Springer.
Chicago Style (17th ed.) ZitazioaBrooks, Clare, Graham Butt, eta Mary Fargher. The Power of Geographical Thinking. 1a. ed. s.l: Springer, 2017.
MLA (9th ed.) ZitazioaBrooks, Clare, et al. The Power of Geographical Thinking. 1a. ed. Springer, 2017.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.