Zoran Kusovac. „Serbia's Inadequate Opposition”. Arhivirano iz originala na datum 2005-03-06. Pristupljeno 2014-02-24. »the establishment of the SPO’s own paramilitary unit — the Serbian Guard, which attacked the Croatian town of Gospic in 1991 ("osnivanje Srpske garde, paravojne jedinice SPO-a, koja je 1991. napala hrvatski grad Gospić.)«
Zoran Kusovac. „Serbia's Inadequate Opposition”. Arhivirano iz originala na datum 2005-03-06. Pristupljeno 2014-02-24. »the establishment of the SPO’s own paramilitary unit — the Serbian Guard, which attacked the Croatian town of Gospic in 1991 ("osnivanje Srpske garde, paravojne jedinice SPO-a, koja je 1991. napala hrvatski grad Gospić.)«