Scheffels, J., Lund, K. E., & McNeill, A. (2012). Contrasting snus and NRT as methods to quit smoking. an observational study. BioMed Central.
Styl cytowania ChicagoScheffels, Janne, Karl E. Lund, i Ann McNeill. Contrasting Snus and NRT As Methods to Quit Smoking. an Observational Study. BioMed Central, 2012.
Styl cytowania MLAScheffels, Janne, Karl E. Lund, i Ann McNeill. Contrasting Snus and NRT As Methods to Quit Smoking. an Observational Study. BioMed Central, 2012.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..