APA:
Berkelder, Rob, Mitev, Daniel, Ignatov, Assen, Poel, Paul van der (2015). Isabelline shrike Lanius isabellinus.
Acrocephalus, volume 36, issue 164/165, str. 79-82.
URN:NBN:SI:DOC-9VQ4KPHF from http://www.dlib.si
MLA:
Berkelder, Rob, Mitev, Daniel, Ignatov, Assen, Poel, Paul van der. "Isabelline shrike Lanius isabellinus."
Acrocephalus volume 36. issue 164/165 (2015) str. 79-82.
<http://www.dlib.si/?URN=URN:NBN:SI:DOC-9VQ4KPHF>