Lund, K. E., McNeill, A., & Scheffels, J. (2010). The use of snus for quitting smoking compared with medicinal products. Oxford University Press.
Chicago Style aipamenaLund, Karl Erik, Ann McNeill, and Janne Scheffels. The Use of Snus for Quitting Smoking Compared With Medicinal Products. Oxford University Press, 2010.
MLA aipamenaLund, Karl Erik, Ann McNeill, and Janne Scheffels. The Use of Snus for Quitting Smoking Compared With Medicinal Products. Oxford University Press, 2010.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.