APA:
Pečar, Janez (1985/1986). Upper Carboniferous and Permian mesolobid chonetacean brachiopods of KaravankeMountains (Yugoslavia) and Carnian Alps (Italy).
Geologija, letnik 28/29.
URN:NBN:SI:DOC-9WY2A3QI from http://www.dlib.si
MLA:
Pečar, Janez. "Upper Carboniferous and Permian mesolobid chonetacean brachiopods of KaravankeMountains (Yugoslavia) and Carnian Alps (Italy)."
Geologija letnik 28/29 (1985/1986).
<http://www.dlib.si/?URN=URN:NBN:SI:DOC-9WY2A3QI>