APA:
Tzonev, Rossen, Dimitrov, Marius, Gussev, Chavdar, Vulchev, Vladimir, Nikolov, Ivailo Petrov (2018). Classificaton of the relict forest communites of Palla's Black Pine (Pinus nigra subsp. pallasiana) in Bulgaria.
Hacquetia, letnik 17, številka 2, str. 125-161.
URN:NBN:SI:DOC-4X7MJD2R from http://www.dlib.si
MLA:
Tzonev, Rossen, Dimitrov, Marius, Gussev, Chavdar, Vulchev, Vladimir, Nikolov, Ivailo Petrov. "Classificaton of the relict forest communites of Palla's Black Pine (Pinus nigra subsp. pallasiana) in Bulgaria."
Hacquetia letnik 17. številka 2 (2018) str. 125-161.
<http://www.dlib.si/?URN=URN:NBN:SI:DOC-4X7MJD2R>