Blatt, H., Tracy, R. J., & Owens, B. E. (2006). Petrology: Igneous, sedimentary, and metamorphic (3rd ed.). W.H. Freeman.
Chicago Style aipamenaBlatt, Harvey, Robert J. Tracy, and Brent E. Owens. Petrology: Igneous, Sedimentary, and Metamorphic. 3rd ed. New York: W.H. Freeman, 2006.
MLA aipamenaBlatt, Harvey, et al. Petrology: Igneous, Sedimentary, and Metamorphic. 3rd ed. W.H. Freeman, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.