Monroe, J. S., & Wicander, R. (2009). The changing earth: Exploring geology and evolution (5th ed.). Brooks/Cole, Cengage Learning.
Lua i Stíl Chicago (17ú heag.)Monroe, James S., agus Reed Wicander. The Changing Earth: Exploring Geology and Evolution. 5th ed. Belmont, CA: Brooks/Cole, Cengage Learning, 2009.
Lua MLA (9ú heag.)Monroe, James S., agus Reed Wicander. The Changing Earth: Exploring Geology and Evolution. 5th ed. Brooks/Cole, Cengage Learning, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.