Frank Ackerman. (2008). Poisoned for Pennies. The Economics of Toxics and Precaution.
Chicago Style aipamenaFrank Ackerman. Poisoned for Pennies. The Economics of Toxics and Precaution. 2008.
MLA aipamenaFrank Ackerman. Poisoned for Pennies. The Economics of Toxics and Precaution. 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.