Presseisen 1960, p. 367. Presseisen, Ernst L. (dezembro de 1960). «Prelude to "Barbarossa": Germany and the Balkans, 1940–1941». University of Chicago Press. Journal of Modern History. 32 (4): 359–370. JSTOR1872611. doi:10.1086/238616
Presseisen 1960, p. 368. Presseisen, Ernst L. (dezembro de 1960). «Prelude to "Barbarossa": Germany and the Balkans, 1940–1941». University of Chicago Press. Journal of Modern History. 32 (4): 359–370. JSTOR1872611. doi:10.1086/238616
Presseisen 1960, pp. 368–369. Presseisen, Ernst L. (dezembro de 1960). «Prelude to "Barbarossa": Germany and the Balkans, 1940–1941». University of Chicago Press. Journal of Modern History. 32 (4): 359–370. JSTOR1872611. doi:10.1086/238616
Presseisen 1960, p. 369. Presseisen, Ernst L. (dezembro de 1960). «Prelude to "Barbarossa": Germany and the Balkans, 1940–1941». University of Chicago Press. Journal of Modern History. 32 (4): 359–370. JSTOR1872611. doi:10.1086/238616
Stafford 1977, p. 401. Stafford, David A. T. (setembro de 1977). «SOE and British Involvement in the Belgrade Coup d'État of March 1941». Association for Slavic, East European, and Eurasian Studies. Slavic Review. 36 (3): 399–419. JSTOR2494975
Presseisen 1960, p. 367. Presseisen, Ernst L. (dezembro de 1960). «Prelude to "Barbarossa": Germany and the Balkans, 1940–1941». University of Chicago Press. Journal of Modern History. 32 (4): 359–370. JSTOR1872611. doi:10.1086/238616
Presseisen 1960, p. 368. Presseisen, Ernst L. (dezembro de 1960). «Prelude to "Barbarossa": Germany and the Balkans, 1940–1941». University of Chicago Press. Journal of Modern History. 32 (4): 359–370. JSTOR1872611. doi:10.1086/238616
Stafford 1977, p. 402. Stafford, David A. T. (setembro de 1977). «SOE and British Involvement in the Belgrade Coup d'État of March 1941». Association for Slavic, East European, and Eurasian Studies. Slavic Review. 36 (3): 399–419. JSTOR2494975
Presseisen 1960, pp. 368–369. Presseisen, Ernst L. (dezembro de 1960). «Prelude to "Barbarossa": Germany and the Balkans, 1940–1941». University of Chicago Press. Journal of Modern History. 32 (4): 359–370. JSTOR1872611. doi:10.1086/238616
Presseisen 1960, p. 369. Presseisen, Ernst L. (dezembro de 1960). «Prelude to "Barbarossa": Germany and the Balkans, 1940–1941». University of Chicago Press. Journal of Modern History. 32 (4): 359–370. JSTOR1872611. doi:10.1086/238616
Stafford 1977, p. 403. Stafford, David A. T. (setembro de 1977). «SOE and British Involvement in the Belgrade Coup d'État of March 1941». Association for Slavic, East European, and Eurasian Studies. Slavic Review. 36 (3): 399–419. JSTOR2494975
Stafford 1977, p. 419. Stafford, David A. T. (setembro de 1977). «SOE and British Involvement in the Belgrade Coup d'État of March 1941». Association for Slavic, East European, and Eurasian Studies. Slavic Review. 36 (3): 399–419. JSTOR2494975
Reshetnikov 1992, pp. 110–123. Reshetnikov, Leonid (1992), «К вопросу о советско-югославском договоре о дружбе и ненападении [On the Question of the Soviet-Yugoslav Treaty of Friendship and Non-Aggression]», in: Gibianskij, Leonid Ânovič; Sluč, Sergej Zinov'evič, Международные отношения и страны Центральной и Юго-Восточной Европы в период фашистской агрессии на Балканах и подготовки нападения на СССР (сентябрь 1940 - июнь 1941) [International Relations and the Countries of Central and South-Eastern Europe during the Fascist Aggression in the Balkans and Preparations for an Attack on the USSR (September 1940 – June 1941)] (em russo), Moscow, Russian Federation: Institute of Slavic Studies and Balkan Studies of the Russian Academy of Sciences, pp. 110–123, OCLC690302464