APA:
Sakoulis, Anastasios (2001). The status of the imperial eagle Aquila heliaca in Greece.
Acrocephalus, volume 22, issue 106/107, str. 105-108.
URN:NBN:SI:DOC-NX5LWOIQ from http://www.dlib.si
MLA:
Sakoulis, Anastasios. "The status of the imperial eagle Aquila heliaca in Greece."
Acrocephalus volume 22. issue 106/107 (2001) str. 105-108.
<http://www.dlib.si/?URN=URN:NBN:SI:DOC-NX5LWOIQ>