APA:
Nikolov, Boris P. (2002). Diet of the red-backed shrike Lanius collurio in Bulgaria.
Acrocephalus, volume 23, issue 110/111, str. 21-26.
URN:NBN:SI:DOC-7V1Z7PEL from http://www.dlib.si
MLA:
Nikolov, Boris P.. "Diet of the red-backed shrike Lanius collurio in Bulgaria."
Acrocephalus volume 23. issue 110/111 (2002) str. 21-26.
<http://www.dlib.si/?URN=URN:NBN:SI:DOC-7V1Z7PEL>