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H.R. 4580--110th Congress: To extend the temporary suspension of duty on 3,6,9-Trioxaundecanedioic acid.
(2007).
In GovTrack.us (database of federal legislation).
Retrieved Nov 22, 2009, from
http://www.govtrack.us/congress/bill.xpd?bill=h110-4580
"H.R. 4580--110th Congress: To extend the temporary suspension of duty on 3,6,9-Trioxaundecanedioic acid."
GovTrack.us (database of federal legislation).
2007.
Nov 22, 2009
<http://www.govtrack.us/congress/bill.xpd?bill=h110-4580>
{{cite web
|url=http://www.govtrack.us/congress/bill.xpd?bill=h110-4580
|title=H.R. 4580
|accessdate=Nov 22, 2009
|author=110th Congress (2007)
|date=Dec 13, 2007
|work=Legislation
|publisher=GovTrack.us
|quote=To extend the temporary suspension of duty on 3,6,9-Trioxaundecanedioic acid
}}