APA aipamena

Bradl, H. B. (2005). Heavy metals in the environment. Elsevier.

Chicago Style aipamena

Bradl, H B. Heavy Metals in the Environment. Amsterdam: Elsevier, 2005.

MLA aipamena

Bradl, H B. Heavy Metals in the Environment. Elsevier, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.