APA
Akkurt I., Sümer H., Ozşahin S. L., Gönlügür U., Ozdemir L., Doğan O., Demir D. A. & Seyfikli Z. (20031104). Prevalence of asthma and related symptoms in Sivas, Central Anatolia. : The Journal of asthma : official journal of the Association for the Care of Asthma.
Chicago
Akkurt Ibrahim, Sümer Haldun, Ozşahin Sefa Levent, Gönlügür Uğur, Ozdemir Levent, Doğan Omer, Demir Dilek Arzu and Seyfikli Zehra. 20031104. Prevalence of asthma and related symptoms in Sivas, Central Anatolia. : The Journal of asthma : official journal of the Association for the Care of Asthma.
Harvard
Akkurt I., Sümer H., Ozşahin S. L., Gönlügür U., Ozdemir L., Doğan O., Demir D. A. and Seyfikli Z. (20031104). Prevalence of asthma and related symptoms in Sivas, Central Anatolia. : The Journal of asthma : official journal of the Association for the Care of Asthma.
MLA
Akkurt Ibrahim, Sümer Haldun, Ozşahin Sefa Levent, Gönlügür Uğur, Ozdemir Levent, Doğan Omer, Demir Dilek Arzu and Seyfikli Zehra. Prevalence of asthma and related symptoms in Sivas, Central Anatolia. : The Journal of asthma : official journal of the Association for the Care of Asthma. 20031104.