Graubard, Stephen R.; ур. (1993). Exit from Communism. Transaction Publishers. стр. 153—154. »After the Axis attack on Yugoslavia in 1941, Mussolini and Hitler installed the Ustašas in power in Zagreb, making them the nucleus of a dependent regime of the newly created Independent State of Croatia, an Italo-German condominium predicated on the abolition of Yugoslavia.«
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Smith, Barry. „Fiat Objects”(PDF). Department of Philosophy, Center for Cognitive Science and NCGIA, SUNY at Buffalo (NY): 24—25. Приступљено 2. 6. 2013.