Richardson, M. (1992). Risk management of chemicals. Royal society of chemistry.
Čikaški stil citiranjaRichardson, Mervyn. Risk Management of Chemicals. Cambridge: Royal society of chemistry, 1992.
MLA način citiranjaRichardson, Mervyn. Risk Management of Chemicals. Royal society of chemistry, 1992.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.