Keller, P. A., Feltracco, A., Bailey, L. A., Li, Z., Niederdeppe, J., Baker, T. B., & Fiore, M. C. (2010). Changes in Tobacco Quitlines in the United States, 2005-2006. Centers for Disease Control and Prevention.
Citação norma ChicagoKeller, Paula A., Annamaria Feltracco, Linda A. Bailey, Zhanhai Li, Jeff Niederdeppe, Timothy B. Baker, and Michael C. Fiore. Changes in Tobacco Quitlines in the United States, 2005-2006. Centers for Disease Control and Prevention, 2010.
ציטוט MLAKeller, Paula A., et al. Changes in Tobacco Quitlines in the United States, 2005-2006. Centers for Disease Control and Prevention, 2010.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.