Poland, B. D., Stockton, L., Ashley, M. J., Pederson, L., Cohen, J., Ferrence, R., & Bull, S. (1999). Interactions Between Smokers and Non-Smokers in Public Places: A Qualitative Study. Can J Public Health.

Poland, Blake D., Lisa Stockton, Mary Jane Ashley, Linda Pederson, Joanna Cohen, Roberta Ferrence, و Shelley Bull. "Interactions Between Smokers and Non-Smokers in Public Places: A Qualitative Study." Can J Public Health 1999.

Poland, Blake D., et al. "Interactions Between Smokers and Non-Smokers in Public Places: A Qualitative Study." Can J Public Health 1999.