APA: 
Giannakopoulou, Christina C., Hassan, Elsheikh A., Hatzidaki, Eleftheria G., Koumantakis, Eugene E. (1997). Congenital depression of the skull. A case report. 
Radiology and oncology (Ljubljana), letnik 31, številka 4, str. 345-347. 
URN:NBN:SI:doc-PPLJVFNW from http://www.dlib.si
 
                           MLA: 
Giannakopoulou, Christina C., Hassan, Elsheikh A., Hatzidaki, Eleftheria G., Koumantakis, Eugene E.. "Congenital depression of the skull. A case report." 
Radiology and oncology (Ljubljana) letnik 31. številka 4 (1997) str. 345-347.
<http://www.dlib.si/?URN=URN:NBN:SI:doc-PPLJVFNW>