Korn, S., Hübner, M., Jung, M., Blettner, M., & Buhl, R. (2013). Severe and uncontrolled adult asthma is associated with vitamin D insufficiency and deficiency. BioMed Central.
استشهاد بنمط شيكاغوKorn, Stephanie, Marisa Hübner, Matthias Jung, Maria Blettner, و Roland Buhl. Severe and Uncontrolled Adult Asthma Is Associated With Vitamin D Insufficiency and Deficiency. BioMed Central, 2013.
MLA استشهادKorn, Stephanie, et al. Severe and Uncontrolled Adult Asthma Is Associated With Vitamin D Insufficiency and Deficiency. BioMed Central, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.