White, J. (1968). The extraction of metals. Macmillan.
Chicago Style (17th ed.) ZitazioaWhite, J.H. The Extraction of Metals. London: Macmillan, 1968.
MLA (9th ed.) ZitazioaWhite, J.H. The Extraction of Metals. Macmillan, 1968.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.