Perkins, D. (2011). Mineralogy (3rd ed.). Prentice Hall.
Chicago Style aipamenaPerkins, Dexter. Mineralogy. 3rd ed. Boston: Prentice Hall, 2011.
MLA aipamenaPerkins, Dexter. Mineralogy. 3rd ed. Prentice Hall, 2011.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.