Duffy, S. A., Ronis, D. L., Richardson, C., Waltje, A. H., Ewing, L. A., Noonan, D., . . . Meeker, J. D. (2012). Protocol of a randomized controlled trial of the Tobacco Tactics website for operating engineers. BioMed Central.

Duffy, Sonia A., David L. Ronis, Caroline Richardson, Andrea H. Waltje, Lee A. Ewing, Devon Noonan, Oisaeng Hong, και John D. Meeker. Protocol of a Randomized Controlled Trial of the Tobacco Tactics Website for Operating Engineers. BioMed Central, 2012.

Duffy, Sonia A., et al. Protocol of a Randomized Controlled Trial of the Tobacco Tactics Website for Operating Engineers. BioMed Central, 2012.