Clarke, F. W. (1920). The Data of Geochemistry (4th ed.). G.P.O.
Chicago Style aipamenaClarke, Frank Wigglesworth. The Data of Geochemistry. 4th ed. Washington: G.P.O, 1920.
MLA aipamenaClarke, Frank Wigglesworth. The Data of Geochemistry. 4th ed. G.P.O, 1920.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.