APA aipamena

Richardson, M. (1992). Risk management of chemicals. Royal society of chemistry.

Chicago Style aipamena

Richardson, Mervyn. Risk Management of Chemicals. Cambridge: Royal society of chemistry, 1992.

MLA aipamena

Richardson, Mervyn. Risk Management of Chemicals. Royal society of chemistry, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.