Ackerman Frank. (2008). Poisoned for Pennies: The Economics of Toxics and Precaution (In lần thứ 1.). Washington, D.C: Island Press.
Παραπομπή Chicago StyleAckerman Frank. Poisoned for Pennies: The Economics of Toxics and Precaution. In lần thứ 1. Washington, D.C: Island Press, 2008.
Παραπομπή MLAAckerman Frank. Poisoned for Pennies: The Economics of Toxics and Precaution. In lần thứ 1. Washington, D.C: Island Press, 2008.
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