Gaya APA

Enchev, D, D. (2016). Acta Scientifica Naturalis. Volume 3 (Vol.3). Bulgaria: K.Preslavsky University of Shumen.

Gaya MLA

Enchev, Dobromir, D.. "Acta Scientifica Naturalis. Volume 3". Vol.3 Bulgaria: K.Preslavsky University of Shumen, 2016. Koleksi Berkala.