Richardson, M. (1992). Risk management of chemicals. Royal society of chemistry.
Citación estilo ChicagoRichardson, Mervyn. Risk Management of Chemicals. Cambridge: Royal society of chemistry, 1992.
Cita MLARichardson, Mervyn. Risk Management of Chemicals. Royal society of chemistry, 1992.
Precaución: Estas citas no son 100% exactas.