Ghosh, A., & Ray, H. S. (1991). Principles of extractive metallurgy (2a. ed.). John Wiley.
Chicago Style (17th ed.) ZitazioaGhosh, Ahindra, eta Hem Shanker Ray. Principles of Extractive Metallurgy. 2a. ed. Nueva Delhi: John Wiley, 1991.
MLA (9th ed.) ZitazioaGhosh, Ahindra, eta Hem Shanker Ray. Principles of Extractive Metallurgy. 2a. ed. John Wiley, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.