Bradl, H. B. (2005). Heavy metals in the environment. Elsevier.
Chicago Style aipamenaBradl, H B. Heavy Metals in the Environment. Amsterdam: Elsevier, 2005.
MLA aipamenaBradl, H B. Heavy Metals in the Environment. Elsevier, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.