1月6日独裁制
Mrđenović, Dušan (1988). Ustavi i vlade Kneževine Srbije, Kraljevine Srbije, Kraljevine SHS i Kraljevine Jugoslavije, 1835-1941. Nova knj.. ISBN 9788673350660. https://books.google.com/books?id=0tQqAAAAMAAJ
Vucinich, Wayne S.; Tomasevich, Jozo (1969). Contemporary Yugoslavia: Twenty Years of Socialist Experiment. University of California Press. pp. 22–. GGKEY:5JR74ERLNET. https://archive.org/details/contemporaryyugo0008vuci
Yeomans, Rory S (2012). Visions of Annihilation: The Ustasha Regime and the Cultural Politics of Fascism, 1941-1945. University of Pittsburgh Pre. ISBN 9780822977933
Newman, John Paul (2017).