Bradl, H. B. (2005). Heavy metals in the environment. Elsevier.
Čikaški stil citiranjaBradl, H B. Heavy Metals in the Environment. Amsterdam: Elsevier, 2005.
MLA način citiranjaBradl, H B. Heavy Metals in the Environment. Elsevier, 2005.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.