Dyfyniad APA
Hahn, R. W., Lutter, R. W., & Viscusi, W. K. (2000). Do federal regulations reduce mortality? AEI-Brookings Joint Center for Regulatory Studies : available in the United States from the AEI Press.
Dyfyniad Arddull Chicago
Hahn, Robert William, Randall W. Lutter, and W. Kip Viscusi. Do Federal Regulations Reduce Mortality? Washington, DC: AEI-Brookings Joint Center for Regulatory Studies : available in the United States from the AEI Press, 2000.
Dyfyniad MLA
Hahn, Robert William, et al. Do Federal Regulations Reduce Mortality? AEI-Brookings Joint Center for Regulatory Studies : available in the United States from the AEI Press, 2000.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.