Dyfyniad APA

Ackerman, F. (2008). Poisoned for Pennies. The Economics of Toxics and Precaution. Island Press.

Dyfyniad Arddull Chicago

Ackerman, Frank. Poisoned for Pennies. The Economics of Toxics and Precaution. Island Press, 2008.

Dyfyniad MLA

Ackerman, Frank. Poisoned for Pennies. The Economics of Toxics and Precaution. Island Press, 2008.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.