Lua APA (7ú heag.)
Tarbuck, E. J., Lutgens, F. K., & Tasa, D. (2017). Earth: An Introduction to Physical Geology (12th ed.). Pearson Education.
Lua i Stíl Chicago (17ú heag.)
Tarbuck, Edward J., Frederick K. Lutgens, agus Dannis Tasa. Earth: An Introduction to Physical Geology. 12th ed. New York: Pearson Education, 2017.
Lua MLA (9ú heag.)
Tarbuck, Edward J., et al. Earth: An Introduction to Physical Geology. 12th ed. Pearson Education, 2017.
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