APA: 
Sheng, Gui-Hua (2015). Synthesis, crystal structures and urease inhibition of N'-(2-bromobenzylidene)-2-(4-nitrophenoxy)acetohydrazide and N'-(4-nitrobenzylidene)-2-(4-nitrophenoxy)acetohydrazide. 
Acta chimica slovenica, letnik 62, številka 4, str. 940-946. 
URN:NBN:SI:DOC-KWERL2Z4 from http://www.dlib.si
 
                           MLA: 
Sheng, Gui-Hua. "Synthesis, crystal structures and urease inhibition of N'-(2-bromobenzylidene)-2-(4-nitrophenoxy)acetohydrazide and N'-(4-nitrobenzylidene)-2-(4-nitrophenoxy)acetohydrazide." 
Acta chimica slovenica letnik 62. številka 4 (2015) str. 940-946.
<http://www.dlib.si/?URN=URN:NBN:SI:DOC-KWERL2Z4>