APA aipamena

Mekov, E., Slavova, Y., Tsakova, A., Genova, M. P., Kostadinov, D. T., Minchev, D., . . . Boyanov, M. A. (2016). One-year mortality after severe COPD exacerbation in Bulgaria. PeerJ.

Chicago Style aipamena

Mekov, Evgeni, Yanina Slavova, Adelina Tsakova, Marianka P. Genova, Dimitar T. Kostadinov, Delcho Minchev, Dora Marinova, and Mihail A. Boyanov. "One-year Mortality After Severe COPD Exacerbation in Bulgaria." PeerJ 2016.

MLA aipamena

Mekov, Evgeni, et al. "One-year Mortality After Severe COPD Exacerbation in Bulgaria." PeerJ 2016.