Richardson, M. (1992). Risk management of chemicals. Royal society of chemistry.
Chicago Style citaatRichardson, Mervyn. Risk Management of Chemicals. Cambridge: Royal society of chemistry, 1992.
MLA citatieRichardson, Mervyn. Risk Management of Chemicals. Royal society of chemistry, 1992.
Let op: Deze citaties zijn niet altijd 100% accuraat.