APA: 
Žagar, Ivan (2014). The optimization options of water supply systems in terms of energy consumption. 
JET on-line
Journal of energy technology
, letnik 7, iss. 4, str. 59-76. 
URN:NBN:SI:doc-CHKCQHA6 from http://www.dlib.si
MLA: 
Žagar, Ivan. "The optimization options of water supply systems in terms of energy consumption." 
JET on-line
Journal of energy technology
 letnik 7. iss. 4 (2014) str. 59-76.
<http://www.dlib.si/?URN=URN:NBN:SI:doc-CHKCQHA6>