References
1. Associated Press. Designated Driver Campaigns Working. Houston Chronicle, 11-30-97, p. A14.
2. Gallup polls reported in National Commission Against Drunk Driving. A Guide to Community-Based Designated Driver Programs. (www.ncadd.com/designated/designated1.html)
3. Designated Driver Campaign Working, Says Inventor (www.ndsn.org/JAN98/ALCOHOL1.html)
4. Project CHEERS to the Designated Driver (http://webmissouri.edu/~adaptwww/CHEERS1.html)
5. National Commission Against Drunk Driving. A Guide to Community-Based Designated Driver Programs. (www.ncadd.com/designated/designated1.html)
6. Alberta Transportation & Utilities. Designated Driver - A Smart Choice. Edmonton, Alberta, Canada, 1996 (www.ama.ab.ca/trafsafe/thkf_des.htm)

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