APA:
Polak, Slavko, Verovnik, Rudi (1998). A contribution to the knowledge of the butterfly fauna of Dhofar - Sultanate of Oman (Lepidoptera: Rhopalocera).
Acta entomologica slovenica (Ljubljana), volume 6, issue 1, str. 55-65.
URN:NBN:SI:DOC-RGX4QSQC from http://www.dlib.si
MLA:
Polak, Slavko, Verovnik, Rudi. "A contribution to the knowledge of the butterfly fauna of Dhofar - Sultanate of Oman (Lepidoptera: Rhopalocera)."
Acta entomologica slovenica (Ljubljana) volume 6. issue 1 (1998) str. 55-65.
<http://www.dlib.si/?URN=URN:NBN:SI:DOC-RGX4QSQC>