Agaku, I. T., Ayo-Yusuf, O. A., Vardavas, C. I., Alpert, H. R., & Connolly, G. N. (2013). Use of Conventional and Novel Smokeless Tobacco Products Among US Adolescents. American Academy of Pediatrics.
Chicago-tyylinen lähdeviittausAgaku, Israel T., Olalekan A. Ayo-Yusuf, Constantine I. Vardavas, Hillel R. Alpert, ja Gregory N. Connolly. Use of Conventional and Novel Smokeless Tobacco Products Among US Adolescents. American Academy of Pediatrics, 2013.
MLA-viiteAgaku, Israel T., et al. Use of Conventional and Novel Smokeless Tobacco Products Among US Adolescents. American Academy of Pediatrics, 2013.
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