Holmén, A., Strömberg, U., Magnusson, K., & Twetman, S. (2013). Tobacco use and caries risk among adolescents – a longitudinal study in Sweden. BioMed Central.
استشهاد بنمط شيكاغوHolmén, Anders, Ulf Strömberg, Kerstin Magnusson, و Svante Twetman. Tobacco Use and Caries Risk Among Adolescents – a Longitudinal Study in Sweden. BioMed Central, 2013.
MLA استشهادHolmén, Anders, Ulf Strömberg, Kerstin Magnusson, و Svante Twetman. Tobacco Use and Caries Risk Among Adolescents – a Longitudinal Study in Sweden. BioMed Central, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.