Gaya APA

Spencer, O, S, T., Embleton-Hamann, C. (2009). Geomorphology And Global Environmental Change . Bandung: Cambridge University Press.

Gaya MLA

Spencer, Olav, Slaymaker, Thomas., Embleton-Hamann, Cristine. "Geomorphology And Global Environmental Change". Bandung: Cambridge University Press, 2009. Textbook.