Snyder, J. E., & Engelen, M. J. (2010). Breaking down barriers to care: Treatment of tobacco dependence in vulnerable populations. Nova Science Publishers.
Lua i Stíl Chicago (17ú heag.)Snyder, John E., agus Megan J. Engelen. Breaking Down Barriers to Care: Treatment of Tobacco Dependence in Vulnerable Populations. New York: Nova Science Publishers, 2010.
Lua MLA (9ú heag.)Snyder, John E., agus Megan J. Engelen. Breaking Down Barriers to Care: Treatment of Tobacco Dependence in Vulnerable Populations. Nova Science Publishers, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.