Walther, J. V. (2010). Essential of geochemistry (2nd ed.). Jones and Bartlett.
Chicago Style aipamenaWalther, John V. Essential of Geochemistry. 2nd ed. Boston: Jones and Bartlett, 2010.
MLA aipamenaWalther, John V. Essential of Geochemistry. 2nd ed. Jones and Bartlett, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.