Severson, H. H., Danaher, B. G., Ebbert, J. O., van Meter, N., Lichtenstein, E., Widdop, C., . . . Seeley, J. R. (2015). Randomized Trial of Nicotine Lozenges and Phone Counseling for Smokeless Tobacco Cessation. Nicotine Tob Res.
Chicago-tyylinen lähdeviittausSeverson, Herbert H., Brian G. Danaher, Jon O. Ebbert, Nora van Meter, Edward Lichtenstein, Chris Widdop, Ryann Crowley, Laura Akers, ja John R. Seeley. "Randomized Trial of Nicotine Lozenges and Phone Counseling for Smokeless Tobacco Cessation." Nicotine Tob Res 2015.
MLA-viiteSeverson, Herbert H., et al. "Randomized Trial of Nicotine Lozenges and Phone Counseling for Smokeless Tobacco Cessation." Nicotine Tob Res 2015.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.