(n.d.) Retrieved July 9, 2006, from [http://www-nrd.nhtsa.dot.gov/departments/nrd-13/newDriverDistraction.html]* Pieters, R., Wedel, M. & Zhang, J.
(n.d.) Retrieved July 9, 2006, from [http://www-nrd.nhtsa.dot.gov/departments/nrd-13/newDriverDistraction.html]* Pieters, R., Wedel, M. & Zhang, J.