APA aipamena

Kallischnigg, G., Weitkunat, R., & Lee, P. N. (2008). Systematic review of the relation between smokeless tobacco and non-neoplastic oral diseases in Europe and the United States. BioMed Central.

Chicago Style aipamena

Kallischnigg, Gerd, Rolf Weitkunat, and Peter N. Lee. Systematic Review of the Relation between Smokeless Tobacco and Non-neoplastic Oral Diseases in Europe and the United States. BioMed Central, 2008.

MLA aipamena

Kallischnigg, Gerd, Rolf Weitkunat, and Peter N. Lee. Systematic Review of the Relation between Smokeless Tobacco and Non-neoplastic Oral Diseases in Europe and the United States. BioMed Central, 2008.