Serbian Studies. 9—10. North American Society for Serbian Studies. 1995. стр. 84. „Nikola Djurkovic is the author of the well-known song that has been sung for more than a century: "Rado ide Srbin u vojnike" (Gladly goes a Serb into the army).”
Basil W. R. Jenkins; Anita Dorich (1996). A brief history of Serbian music. Serbian Orthodox Diocese of Western America. стр. 79.